diff --git a/README.md b/README.md
index e70ec94f..8ee9ae97 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ These are all the configuration options and their default value between brackets
 - "command": Extra SQL to initialize the database connection (none)
 - "tables": Comma separated list of tables to publish (defaults to 'all')
 - "mapping": Comma separated list of table/column mappings (no mappping)
+- "geometrySrid": SRID assumed when converting from WKT to geometry (`4326`)
 - "middlewares": List of middlewares to load (`cors`)
 - "controllers": List of controllers to load (`records,geojson,openapi,status`)
 - "customControllers": List of user custom controllers to load (no default)
@@ -605,6 +606,7 @@ For spatial support there is an extra set of filters that can be applied on geom
   - "siv": spatial is valid (geometry is valid)
 
 These filters are based on OGC standards and so is the WKT specification in which the geometry columns are represented.
+Note that the SRID that is assumed when converting from WKT to geometry is specified by the config variable `geometrySrid` and defaults to 4326 (WGS 84).
 
 #### GeoJSON
 
diff --git a/api.include.php b/api.include.php
index 31b01c93..d6b143b3 100644
--- a/api.include.php
+++ b/api.include.php
@@ -5037,10 +5037,12 @@ public function ping(ServerRequestInterface $request): ResponseInterface
     class ColumnConverter
     {
         private $driver;
+        private $geometrySrid;
 
-        public function __construct(string $driver)
+        public function __construct(string $driver, int $geometrySrid)
         {
             $this->driver = $driver;
+            $this->geometrySrid = $geometrySrid;
         }
 
         public function convertColumnValue(ReflectedColumn $column): string
@@ -5066,12 +5068,13 @@ public function convertColumnValue(ReflectedColumn $column): string
                 }
             }
             if ($column->isGeometry()) {
+                $srid = $this->geometrySrid;
                 switch ($this->driver) {
                     case 'mysql':
                     case 'pgsql':
-                        return "ST_GeomFromText(?)";
+                        return "ST_GeomFromText(?,$srid)";
                     case 'sqlsrv':
-                        return "geometry::STGeomFromText(?,0)";
+                        return "geometry::STGeomFromText(?,$srid)";
                 }
             }
             return '?';
@@ -5114,10 +5117,10 @@ class ColumnsBuilder
         private $driver;
         private $converter;
 
-        public function __construct(string $driver)
+        public function __construct(string $driver, int $geometrySrid)
         {
             $this->driver = $driver;
-            $this->converter = new ColumnConverter($driver);
+            $this->converter = new ColumnConverter($driver, $geometrySrid);
         }
 
         public function getOffsetLimit(int $offset, int $limit): string
@@ -5238,10 +5241,12 @@ public function getIncrement(ReflectedTable $table, array $columnValues): string
     class ConditionsBuilder
     {
         private $driver;
+        private $geometrySrid;
 
-        public function __construct(string $driver)
+        public function __construct(string $driver, int $geometrySrid)
         {
             $this->driver = $driver;
+            $this->geometrySrid = $geometrySrid;
         }
 
         private function getConditionSql(Condition $condition, array &$arguments): string
@@ -5402,14 +5407,15 @@ private function hasSpatialArgument(string $operator): bool
 
         private function getSpatialFunctionCall(string $functionName, string $column, bool $hasArgument): string
         {
+            $srid = $this->geometrySrid;
             switch ($this->driver) {
                 case 'mysql':
                 case 'pgsql':
-                    $argument = $hasArgument ? 'ST_GeomFromText(?)' : '';
+                    $argument = $hasArgument ? "ST_GeomFromText(?,$srid)" : '';
                     return "$functionName($column, $argument)=TRUE";
                 case 'sqlsrv':
                     $functionName = str_replace('ST_', 'ST', $functionName);
-                    $argument = $hasArgument ? 'geometry::STGeomFromText(?,0)' : '';
+                    $argument = $hasArgument ? "geometry::STGeomFromText(?,$srid)" : '';
                     return "$column.$functionName($argument)=1";
                 case 'sqlite':
                     $argument = $hasArgument ? '?' : '0';
@@ -5572,6 +5578,7 @@ class GenericDB
         private $conditions;
         private $columns;
         private $converter;
+        private $geometrySrid;
 
         private function getDsn(): string
         {
@@ -5655,13 +5662,13 @@ private function initPdo(): bool
             $this->mapper = new RealNameMapper($this->mapping);
             $this->reflection = new GenericReflection($this->pdo, $this->driver, $this->database, $this->tables, $this->mapper);
             $this->definition = new GenericDefinition($this->pdo, $this->driver, $this->database, $this->tables, $this->mapper);
-            $this->conditions = new ConditionsBuilder($this->driver);
-            $this->columns = new ColumnsBuilder($this->driver);
+            $this->conditions = new ConditionsBuilder($this->driver, $this->geometrySrid);
+            $this->columns = new ColumnsBuilder($this->driver, $this->geometrySrid);
             $this->converter = new DataConverter($this->driver);
             return $result;
         }
 
-        public function __construct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password)
+        public function __construct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password, int $geometrySrid)
         {
             $this->driver = $driver;
             $this->address = $address;
@@ -5672,10 +5679,11 @@ public function __construct(string $driver, string $address, int $port, string $
             $this->mapping = $mapping;
             $this->username = $username;
             $this->password = $password;
+            $this->geometrySrid = $geometrySrid;
             $this->initPdo();
         }
 
-        public function reconstruct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password): bool
+        public function reconstruct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password, int $geometrySrid): bool
         {
             if ($driver) {
                 $this->driver = $driver;
@@ -5704,6 +5712,9 @@ public function reconstruct(string $driver, string $address, int $port, string $
             if ($password) {
                 $this->password = $password;
             }
+            if ($geometrySrid) {
+                $this->geometrySrid = $geometrySrid;
+            }
             return $this->initPdo();
         }
 
@@ -8817,13 +8828,13 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
 
     class ReconnectMiddleware extends Middleware
     {
-        private $reflection;
+        private $config;
         private $db;
 
         public function __construct(Router $router, Responder $responder, Config $config, string $middleware, ReflectionService $reflection, GenericDB $db)
         {
             parent::__construct($router, $responder, $config, $middleware);
-            $this->reflection = $reflection;
+            $this->config = $config;
             $this->db = $db;
         }
 
@@ -8833,7 +8844,7 @@ private function getDriver(): string
             if ($driverHandler) {
                 return call_user_func($driverHandler);
             }
-            return '';
+            return $this->config->getDriver();
         }
 
         private function getAddress(): string
@@ -8842,7 +8853,7 @@ private function getAddress(): string
             if ($addressHandler) {
                 return call_user_func($addressHandler);
             }
-            return '';
+            return $this->config->getAddress();
         }
 
         private function getPort(): int
@@ -8851,7 +8862,7 @@ private function getPort(): int
             if ($portHandler) {
                 return call_user_func($portHandler);
             }
-            return 0;
+            return $this->config->getPort();
         }
 
         private function getDatabase(): string
@@ -8860,7 +8871,7 @@ private function getDatabase(): string
             if ($databaseHandler) {
                 return call_user_func($databaseHandler);
             }
-            return '';
+            return $this->config->getDatabase();
         }
 
         private function getCommand(): string
@@ -8869,7 +8880,7 @@ private function getCommand(): string
             if ($commandHandler) {
                 return call_user_func($commandHandler);
             }
-            return '';
+            return $this->config->getCommand();
         }
 
         private function getTables(): array
@@ -8878,7 +8889,7 @@ private function getTables(): array
             if ($tablesHandler) {
                 return call_user_func($tablesHandler);
             }
-            return [];
+            return $this->config->getTables();
         }
 
         private function getMapping(): array
@@ -8887,7 +8898,7 @@ private function getMapping(): array
             if ($mappingHandler) {
                 return call_user_func($mappingHandler);
             }
-            return [];
+            return $this->config->getMapping();
         }
 
         private function getUsername(): string
@@ -8896,7 +8907,7 @@ private function getUsername(): string
             if ($usernameHandler) {
                 return call_user_func($usernameHandler);
             }
-            return '';
+            return $this->config->getUsername();
         }
 
         private function getPassword(): string
@@ -8905,7 +8916,16 @@ private function getPassword(): string
             if ($passwordHandler) {
                 return call_user_func($passwordHandler);
             }
-            return '';
+            return $this->config->getPassword();
+        }
+
+        private function getGeometrySrid(): int
+        {
+            $geometrySridHandler = $this->getProperty('geometrySridHandler', '');
+            if ($geometrySridHandler) {
+                return call_user_func($geometrySridHandler);
+            }
+            return $this->config->getGeometrySrid();
         }
 
         public function process(ServerRequestInterface $request, RequestHandlerInterface $next): ResponseInterface
@@ -8919,9 +8939,8 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
             $mapping = $this->getMapping();
             $username = $this->getUsername();
             $password = $this->getPassword();
-            if ($driver || $address || $port || $database || $command || $tables || $mapping || $username || $password) {
-                $this->db->reconstruct($driver, $address, $port, $database, $command, $tables, $mapping, $username, $password);
-            }
+            $geometrySrid = $this->getGeometrySrid();
+            $this->db->reconstruct($driver, $address, $port, $database, $command, $tables, $mapping, $username, $password, $geometrySrid);
             return $next->handle($request);
         }
     }
@@ -11634,7 +11653,8 @@ public function __construct(Config $config)
                 $config->getTables(),
                 $config->getMapping(),
                 $config->getUsername(),
-                $config->getPassword()
+                $config->getPassword(),
+                $config->getGeometrySrid()
             );
             $prefix = sprintf('phpcrudapi-%s-', substr(md5(__FILE__), 0, 8));
             $cache = CacheFactory::create($config->getCacheType(), $prefix, $config->getCachePath());
@@ -11833,6 +11853,7 @@ class Config
             'debug' => false,
             'basePath' => '',
             'openApiBase' => '{"info":{"title":"PHP-CRUD-API","version":"1.0.0"}}',
+            'geometrySrid' => 4326,
         ];
 
         private function getDefaultDriver(array $values): string
@@ -12022,6 +12043,11 @@ public function getOpenApiBase(): array
         {
             return json_decode($this->values['openApiBase'], true);
         }
+
+        public function getGeometrySrid(): int
+        {
+            return $this->values['geometrySrid'];
+        }
     }
 }
 
diff --git a/api.php b/api.php
index 7b3c8b81..aa5e138e 100644
--- a/api.php
+++ b/api.php
@@ -5037,10 +5037,12 @@ public function ping(ServerRequestInterface $request): ResponseInterface
     class ColumnConverter
     {
         private $driver;
+        private $geometrySrid;
 
-        public function __construct(string $driver)
+        public function __construct(string $driver, int $geometrySrid)
         {
             $this->driver = $driver;
+            $this->geometrySrid = $geometrySrid;
         }
 
         public function convertColumnValue(ReflectedColumn $column): string
@@ -5066,12 +5068,13 @@ public function convertColumnValue(ReflectedColumn $column): string
                 }
             }
             if ($column->isGeometry()) {
+                $srid = $this->geometrySrid;
                 switch ($this->driver) {
                     case 'mysql':
                     case 'pgsql':
-                        return "ST_GeomFromText(?)";
+                        return "ST_GeomFromText(?,$srid)";
                     case 'sqlsrv':
-                        return "geometry::STGeomFromText(?,0)";
+                        return "geometry::STGeomFromText(?,$srid)";
                 }
             }
             return '?';
@@ -5114,10 +5117,10 @@ class ColumnsBuilder
         private $driver;
         private $converter;
 
-        public function __construct(string $driver)
+        public function __construct(string $driver, int $geometrySrid)
         {
             $this->driver = $driver;
-            $this->converter = new ColumnConverter($driver);
+            $this->converter = new ColumnConverter($driver, $geometrySrid);
         }
 
         public function getOffsetLimit(int $offset, int $limit): string
@@ -5238,10 +5241,12 @@ public function getIncrement(ReflectedTable $table, array $columnValues): string
     class ConditionsBuilder
     {
         private $driver;
+        private $geometrySrid;
 
-        public function __construct(string $driver)
+        public function __construct(string $driver, int $geometrySrid)
         {
             $this->driver = $driver;
+            $this->geometrySrid = $geometrySrid;
         }
 
         private function getConditionSql(Condition $condition, array &$arguments): string
@@ -5402,14 +5407,15 @@ private function hasSpatialArgument(string $operator): bool
 
         private function getSpatialFunctionCall(string $functionName, string $column, bool $hasArgument): string
         {
+            $srid = $this->geometrySrid;
             switch ($this->driver) {
                 case 'mysql':
                 case 'pgsql':
-                    $argument = $hasArgument ? 'ST_GeomFromText(?)' : '';
+                    $argument = $hasArgument ? "ST_GeomFromText(?,$srid)" : '';
                     return "$functionName($column, $argument)=TRUE";
                 case 'sqlsrv':
                     $functionName = str_replace('ST_', 'ST', $functionName);
-                    $argument = $hasArgument ? 'geometry::STGeomFromText(?,0)' : '';
+                    $argument = $hasArgument ? "geometry::STGeomFromText(?,$srid)" : '';
                     return "$column.$functionName($argument)=1";
                 case 'sqlite':
                     $argument = $hasArgument ? '?' : '0';
@@ -5572,6 +5578,7 @@ class GenericDB
         private $conditions;
         private $columns;
         private $converter;
+        private $geometrySrid;
 
         private function getDsn(): string
         {
@@ -5655,13 +5662,13 @@ private function initPdo(): bool
             $this->mapper = new RealNameMapper($this->mapping);
             $this->reflection = new GenericReflection($this->pdo, $this->driver, $this->database, $this->tables, $this->mapper);
             $this->definition = new GenericDefinition($this->pdo, $this->driver, $this->database, $this->tables, $this->mapper);
-            $this->conditions = new ConditionsBuilder($this->driver);
-            $this->columns = new ColumnsBuilder($this->driver);
+            $this->conditions = new ConditionsBuilder($this->driver, $this->geometrySrid);
+            $this->columns = new ColumnsBuilder($this->driver, $this->geometrySrid);
             $this->converter = new DataConverter($this->driver);
             return $result;
         }
 
-        public function __construct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password)
+        public function __construct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password, int $geometrySrid)
         {
             $this->driver = $driver;
             $this->address = $address;
@@ -5672,10 +5679,11 @@ public function __construct(string $driver, string $address, int $port, string $
             $this->mapping = $mapping;
             $this->username = $username;
             $this->password = $password;
+            $this->geometrySrid = $geometrySrid;
             $this->initPdo();
         }
 
-        public function reconstruct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password): bool
+        public function reconstruct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password, int $geometrySrid): bool
         {
             if ($driver) {
                 $this->driver = $driver;
@@ -5704,6 +5712,9 @@ public function reconstruct(string $driver, string $address, int $port, string $
             if ($password) {
                 $this->password = $password;
             }
+            if ($geometrySrid) {
+                $this->geometrySrid = $geometrySrid;
+            }
             return $this->initPdo();
         }
 
@@ -8817,13 +8828,13 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
 
     class ReconnectMiddleware extends Middleware
     {
-        private $reflection;
+        private $config;
         private $db;
 
         public function __construct(Router $router, Responder $responder, Config $config, string $middleware, ReflectionService $reflection, GenericDB $db)
         {
             parent::__construct($router, $responder, $config, $middleware);
-            $this->reflection = $reflection;
+            $this->config = $config;
             $this->db = $db;
         }
 
@@ -8833,7 +8844,7 @@ private function getDriver(): string
             if ($driverHandler) {
                 return call_user_func($driverHandler);
             }
-            return '';
+            return $this->config->getDriver();
         }
 
         private function getAddress(): string
@@ -8842,7 +8853,7 @@ private function getAddress(): string
             if ($addressHandler) {
                 return call_user_func($addressHandler);
             }
-            return '';
+            return $this->config->getAddress();
         }
 
         private function getPort(): int
@@ -8851,7 +8862,7 @@ private function getPort(): int
             if ($portHandler) {
                 return call_user_func($portHandler);
             }
-            return 0;
+            return $this->config->getPort();
         }
 
         private function getDatabase(): string
@@ -8860,7 +8871,7 @@ private function getDatabase(): string
             if ($databaseHandler) {
                 return call_user_func($databaseHandler);
             }
-            return '';
+            return $this->config->getDatabase();
         }
 
         private function getCommand(): string
@@ -8869,7 +8880,7 @@ private function getCommand(): string
             if ($commandHandler) {
                 return call_user_func($commandHandler);
             }
-            return '';
+            return $this->config->getCommand();
         }
 
         private function getTables(): array
@@ -8878,7 +8889,7 @@ private function getTables(): array
             if ($tablesHandler) {
                 return call_user_func($tablesHandler);
             }
-            return [];
+            return $this->config->getTables();
         }
 
         private function getMapping(): array
@@ -8887,7 +8898,7 @@ private function getMapping(): array
             if ($mappingHandler) {
                 return call_user_func($mappingHandler);
             }
-            return [];
+            return $this->config->getMapping();
         }
 
         private function getUsername(): string
@@ -8896,7 +8907,7 @@ private function getUsername(): string
             if ($usernameHandler) {
                 return call_user_func($usernameHandler);
             }
-            return '';
+            return $this->config->getUsername();
         }
 
         private function getPassword(): string
@@ -8905,7 +8916,16 @@ private function getPassword(): string
             if ($passwordHandler) {
                 return call_user_func($passwordHandler);
             }
-            return '';
+            return $this->config->getPassword();
+        }
+
+        private function getGeometrySrid(): int
+        {
+            $geometrySridHandler = $this->getProperty('geometrySridHandler', '');
+            if ($geometrySridHandler) {
+                return call_user_func($geometrySridHandler);
+            }
+            return $this->config->getGeometrySrid();
         }
 
         public function process(ServerRequestInterface $request, RequestHandlerInterface $next): ResponseInterface
@@ -8919,9 +8939,8 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
             $mapping = $this->getMapping();
             $username = $this->getUsername();
             $password = $this->getPassword();
-            if ($driver || $address || $port || $database || $command || $tables || $mapping || $username || $password) {
-                $this->db->reconstruct($driver, $address, $port, $database, $command, $tables, $mapping, $username, $password);
-            }
+            $geometrySrid = $this->getGeometrySrid();
+            $this->db->reconstruct($driver, $address, $port, $database, $command, $tables, $mapping, $username, $password, $geometrySrid);
             return $next->handle($request);
         }
     }
@@ -11634,7 +11653,8 @@ public function __construct(Config $config)
                 $config->getTables(),
                 $config->getMapping(),
                 $config->getUsername(),
-                $config->getPassword()
+                $config->getPassword(),
+                $config->getGeometrySrid()
             );
             $prefix = sprintf('phpcrudapi-%s-', substr(md5(__FILE__), 0, 8));
             $cache = CacheFactory::create($config->getCacheType(), $prefix, $config->getCachePath());
@@ -11833,6 +11853,7 @@ class Config
             'debug' => false,
             'basePath' => '',
             'openApiBase' => '{"info":{"title":"PHP-CRUD-API","version":"1.0.0"}}',
+            'geometrySrid' => 4326,
         ];
 
         private function getDefaultDriver(array $values): string
@@ -12022,6 +12043,11 @@ public function getOpenApiBase(): array
         {
             return json_decode($this->values['openApiBase'], true);
         }
+
+        public function getGeometrySrid(): int
+        {
+            return $this->values['geometrySrid'];
+        }
     }
 }
 
diff --git a/src/Tqdev/PhpCrudApi/Api.php b/src/Tqdev/PhpCrudApi/Api.php
index 98dfc4ee..1661180f 100644
--- a/src/Tqdev/PhpCrudApi/Api.php
+++ b/src/Tqdev/PhpCrudApi/Api.php
@@ -59,7 +59,8 @@ public function __construct(Config $config)
             $config->getTables(),
             $config->getMapping(),
             $config->getUsername(),
-            $config->getPassword()
+            $config->getPassword(),
+            $config->getGeometrySrid()
         );
         $prefix = sprintf('phpcrudapi-%s-', substr(md5(__FILE__), 0, 8));
         $cache = CacheFactory::create($config->getCacheType(), $prefix, $config->getCachePath());
diff --git a/src/Tqdev/PhpCrudApi/Config.php b/src/Tqdev/PhpCrudApi/Config.php
index 79bd238c..489ac766 100644
--- a/src/Tqdev/PhpCrudApi/Config.php
+++ b/src/Tqdev/PhpCrudApi/Config.php
@@ -25,6 +25,7 @@ class Config
         'debug' => false,
         'basePath' => '',
         'openApiBase' => '{"info":{"title":"PHP-CRUD-API","version":"1.0.0"}}',
+        'geometrySrid' => 4326,
     ];
 
     private function getDefaultDriver(array $values): string
@@ -215,4 +216,9 @@ public function getOpenApiBase(): array
     {
         return json_decode($this->values['openApiBase'], true);
     }
+
+    public function getGeometrySrid(): int
+    {
+        return $this->values['geometrySrid'];
+    }
 }
diff --git a/src/Tqdev/PhpCrudApi/Database/ColumnConverter.php b/src/Tqdev/PhpCrudApi/Database/ColumnConverter.php
index 023e3a38..3a296e97 100644
--- a/src/Tqdev/PhpCrudApi/Database/ColumnConverter.php
+++ b/src/Tqdev/PhpCrudApi/Database/ColumnConverter.php
@@ -7,10 +7,12 @@
 class ColumnConverter
 {
     private $driver;
+    private $geometrySrid;
 
-    public function __construct(string $driver)
+    public function __construct(string $driver, int $geometrySrid)
     {
         $this->driver = $driver;
+        $this->geometrySrid = $geometrySrid;
     }
 
     public function convertColumnValue(ReflectedColumn $column): string
@@ -36,12 +38,13 @@ public function convertColumnValue(ReflectedColumn $column): string
             }
         }
         if ($column->isGeometry()) {
+            $srid = $this->geometrySrid;
             switch ($this->driver) {
                 case 'mysql':
                 case 'pgsql':
-                    return "ST_GeomFromText(?)";
+                    return "ST_GeomFromText(?,$srid)";
                 case 'sqlsrv':
-                    return "geometry::STGeomFromText(?,0)";
+                    return "geometry::STGeomFromText(?,$srid)";
             }
         }
         return '?';
diff --git a/src/Tqdev/PhpCrudApi/Database/ColumnsBuilder.php b/src/Tqdev/PhpCrudApi/Database/ColumnsBuilder.php
index 895cc031..d2042b0c 100644
--- a/src/Tqdev/PhpCrudApi/Database/ColumnsBuilder.php
+++ b/src/Tqdev/PhpCrudApi/Database/ColumnsBuilder.php
@@ -10,10 +10,10 @@ class ColumnsBuilder
     private $driver;
     private $converter;
 
-    public function __construct(string $driver)
+    public function __construct(string $driver, int $geometrySrid)
     {
         $this->driver = $driver;
-        $this->converter = new ColumnConverter($driver);
+        $this->converter = new ColumnConverter($driver, $geometrySrid);
     }
 
     public function getOffsetLimit(int $offset, int $limit): string
diff --git a/src/Tqdev/PhpCrudApi/Database/ConditionsBuilder.php b/src/Tqdev/PhpCrudApi/Database/ConditionsBuilder.php
index f4a47773..e536e941 100644
--- a/src/Tqdev/PhpCrudApi/Database/ConditionsBuilder.php
+++ b/src/Tqdev/PhpCrudApi/Database/ConditionsBuilder.php
@@ -14,10 +14,12 @@
 class ConditionsBuilder
 {
     private $driver;
+    private $geometrySrid;
 
-    public function __construct(string $driver)
+    public function __construct(string $driver, int $geometrySrid)
     {
         $this->driver = $driver;
+        $this->geometrySrid = $geometrySrid;
     }
 
     private function getConditionSql(Condition $condition, array &$arguments): string
@@ -178,14 +180,15 @@ private function hasSpatialArgument(string $operator): bool
 
     private function getSpatialFunctionCall(string $functionName, string $column, bool $hasArgument): string
     {
+        $srid = $this->geometrySrid;
         switch ($this->driver) {
             case 'mysql':
             case 'pgsql':
-                $argument = $hasArgument ? 'ST_GeomFromText(?)' : '';
+                $argument = $hasArgument ? "ST_GeomFromText(?,$srid)" : '';
                 return "$functionName($column, $argument)=TRUE";
             case 'sqlsrv':
                 $functionName = str_replace('ST_', 'ST', $functionName);
-                $argument = $hasArgument ? 'geometry::STGeomFromText(?,0)' : '';
+                $argument = $hasArgument ? "geometry::STGeomFromText(?,$srid)" : '';
                 return "$column.$functionName($argument)=1";
             case 'sqlite':
                 $argument = $hasArgument ? '?' : '0';
diff --git a/src/Tqdev/PhpCrudApi/Database/GenericDB.php b/src/Tqdev/PhpCrudApi/Database/GenericDB.php
index f04c77b6..0a3e6247 100644
--- a/src/Tqdev/PhpCrudApi/Database/GenericDB.php
+++ b/src/Tqdev/PhpCrudApi/Database/GenericDB.php
@@ -25,6 +25,7 @@ class GenericDB
     private $conditions;
     private $columns;
     private $converter;
+    private $geometrySrid;
 
     private function getDsn(): string
     {
@@ -108,13 +109,13 @@ private function initPdo(): bool
         $this->mapper = new RealNameMapper($this->mapping);
         $this->reflection = new GenericReflection($this->pdo, $this->driver, $this->database, $this->tables, $this->mapper);
         $this->definition = new GenericDefinition($this->pdo, $this->driver, $this->database, $this->tables, $this->mapper);
-        $this->conditions = new ConditionsBuilder($this->driver);
-        $this->columns = new ColumnsBuilder($this->driver);
+        $this->conditions = new ConditionsBuilder($this->driver, $this->geometrySrid);
+        $this->columns = new ColumnsBuilder($this->driver, $this->geometrySrid);
         $this->converter = new DataConverter($this->driver);
         return $result;
     }
 
-    public function __construct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password)
+    public function __construct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password, int $geometrySrid)
     {
         $this->driver = $driver;
         $this->address = $address;
@@ -125,10 +126,11 @@ public function __construct(string $driver, string $address, int $port, string $
         $this->mapping = $mapping;
         $this->username = $username;
         $this->password = $password;
+        $this->geometrySrid = $geometrySrid;
         $this->initPdo();
     }
 
-    public function reconstruct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password): bool
+    public function reconstruct(string $driver, string $address, int $port, string $database, string $command, array $tables, array $mapping, string $username, string $password, int $geometrySrid): bool
     {
         if ($driver) {
             $this->driver = $driver;
@@ -157,6 +159,9 @@ public function reconstruct(string $driver, string $address, int $port, string $
         if ($password) {
             $this->password = $password;
         }
+        if ($geometrySrid) {
+            $this->geometrySrid = $geometrySrid;
+        }
         return $this->initPdo();
     }
 
diff --git a/src/Tqdev/PhpCrudApi/Middleware/ReconnectMiddleware.php b/src/Tqdev/PhpCrudApi/Middleware/ReconnectMiddleware.php
index eb7ef323..78137a5c 100644
--- a/src/Tqdev/PhpCrudApi/Middleware/ReconnectMiddleware.php
+++ b/src/Tqdev/PhpCrudApi/Middleware/ReconnectMiddleware.php
@@ -14,13 +14,13 @@
 
 class ReconnectMiddleware extends Middleware
 {
-    private $reflection;
+    private $config;
     private $db;
 
     public function __construct(Router $router, Responder $responder, Config $config, string $middleware, ReflectionService $reflection, GenericDB $db)
     {
         parent::__construct($router, $responder, $config, $middleware);
-        $this->reflection = $reflection;
+        $this->config = $config;
         $this->db = $db;
     }
 
@@ -30,7 +30,7 @@ private function getDriver(): string
         if ($driverHandler) {
             return call_user_func($driverHandler);
         }
-        return '';
+        return $this->config->getDriver();
     }
 
     private function getAddress(): string
@@ -39,7 +39,7 @@ private function getAddress(): string
         if ($addressHandler) {
             return call_user_func($addressHandler);
         }
-        return '';
+        return $this->config->getAddress();
     }
 
     private function getPort(): int
@@ -48,7 +48,7 @@ private function getPort(): int
         if ($portHandler) {
             return call_user_func($portHandler);
         }
-        return 0;
+        return $this->config->getPort();
     }
 
     private function getDatabase(): string
@@ -57,7 +57,7 @@ private function getDatabase(): string
         if ($databaseHandler) {
             return call_user_func($databaseHandler);
         }
-        return '';
+        return $this->config->getDatabase();
     }
 
     private function getCommand(): string
@@ -66,7 +66,7 @@ private function getCommand(): string
         if ($commandHandler) {
             return call_user_func($commandHandler);
         }
-        return '';
+        return $this->config->getCommand();
     }
 
     private function getTables(): array
@@ -75,7 +75,7 @@ private function getTables(): array
         if ($tablesHandler) {
             return call_user_func($tablesHandler);
         }
-        return [];
+        return $this->config->getTables();
     }
 
     private function getMapping(): array
@@ -84,7 +84,7 @@ private function getMapping(): array
         if ($mappingHandler) {
             return call_user_func($mappingHandler);
         }
-        return [];
+        return $this->config->getMapping();
     }
 
     private function getUsername(): string
@@ -93,7 +93,7 @@ private function getUsername(): string
         if ($usernameHandler) {
             return call_user_func($usernameHandler);
         }
-        return '';
+        return $this->config->getUsername();
     }
 
     private function getPassword(): string
@@ -102,7 +102,16 @@ private function getPassword(): string
         if ($passwordHandler) {
             return call_user_func($passwordHandler);
         }
-        return '';
+        return $this->config->getPassword();
+    }
+
+    private function getGeometrySrid(): int
+    {
+        $geometrySridHandler = $this->getProperty('geometrySridHandler', '');
+        if ($geometrySridHandler) {
+            return call_user_func($geometrySridHandler);
+        }
+        return $this->config->getGeometrySrid();
     }
 
     public function process(ServerRequestInterface $request, RequestHandlerInterface $next): ResponseInterface
@@ -116,9 +125,8 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
         $mapping = $this->getMapping();
         $username = $this->getUsername();
         $password = $this->getPassword();
-        if ($driver || $address || $port || $database || $command || $tables || $mapping || $username || $password) {
-            $this->db->reconstruct($driver, $address, $port, $database, $command, $tables, $mapping, $username, $password);
-        }
+        $geometrySrid = $this->getGeometrySrid();
+        $this->db->reconstruct($driver, $address, $port, $database, $command, $tables, $mapping, $username, $password, $geometrySrid);
         return $next->handle($request);
     }
 }
diff --git a/test.php b/test.php
index c99f6e4d..bccfeb44 100644
--- a/test.php
+++ b/test.php
@@ -163,7 +163,8 @@ function loadFixture(string $dir, Config $config)
         getTables($config),
         getMapping($config),
         getUsername($config),
-        getPassword($config)
+        getPassword($config),
+        $config->getGeometrySrid()
     );
     $pdo = $db->pdo();
     $file = preg_replace('/--.*$/m', '', $file);
diff --git a/tests/fixtures/blog_mysql.sql b/tests/fixtures/blog_mysql.sql
index 13db2e20..0e3e44ba 100644
--- a/tests/fixtures/blog_mysql.sql
+++ b/tests/fixtures/blog_mysql.sql
@@ -106,17 +106,17 @@ CREATE TABLE `countries` (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
 
 INSERT INTO `countries` (`name`, `shape`) VALUES
-('Left',	ST_GeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))')),
-('Right',	ST_GeomFromText('POLYGON ((70 10, 80 40, 60 40, 50 20, 70 10))')),
-('Point', ST_GeomFromText('POINT (30 10)')),
-('Line', ST_GeomFromText('LINESTRING (30 10, 10 30, 40 40)')),
-('Poly1', ST_GeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))')),
-('Poly2', ST_GeomFromText('POLYGON ((35 10, 45 45, 15 40, 10 20, 35 10),(20 30, 35 35, 30 20, 20 30))')),
-('Mpoint', ST_GeomFromText('MULTIPOINT (10 40, 40 30, 20 20, 30 10)')),
-('Mline', ST_GeomFromText('MULTILINESTRING ((10 10, 20 20, 10 40),(40 40, 30 30, 40 20, 30 10))')),
-('Mpoly1', ST_GeomFromText('MULTIPOLYGON (((30 20, 45 40, 10 40, 30 20)),((15 5, 40 10, 10 20, 5 10, 15 5)))')),
-('Mpoly2', ST_GeomFromText('MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 10 30, 10 10, 30 5, 45 20, 20 35),(30 20, 20 15, 20 25, 30 20)))')),
-('Gcoll', ST_GeomFromText('GEOMETRYCOLLECTION(POINT(4 6),LINESTRING(4 6,7 10))'));
+('Left',	ST_GeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))', 4326)),
+('Right',	ST_GeomFromText('POLYGON ((70 10, 80 40, 60 40, 50 20, 70 10))', 4326)),
+('Point', ST_GeomFromText('POINT (30 10)', 4326)),
+('Line', ST_GeomFromText('LINESTRING (30 10, 10 30, 40 40)', 4326)),
+('Poly1', ST_GeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))', 4326)),
+('Poly2', ST_GeomFromText('POLYGON ((35 10, 45 45, 15 40, 10 20, 35 10),(20 30, 35 35, 30 20, 20 30))', 4326)),
+('Mpoint', ST_GeomFromText('MULTIPOINT (10 40, 40 30, 20 20, 30 10)', 4326)),
+('Mline', ST_GeomFromText('MULTILINESTRING ((10 10, 20 20, 10 40),(40 40, 30 30, 40 20, 30 10))', 4326)),
+('Mpoly1', ST_GeomFromText('MULTIPOLYGON (((30 20, 45 40, 10 40, 30 20)),((15 5, 40 10, 10 20, 5 10, 15 5)))', 4326)),
+('Mpoly2', ST_GeomFromText('MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 10 30, 10 10, 30 5, 45 20, 20 35),(30 20, 20 15, 20 25, 30 20)))', 4326)),
+('Gcoll', ST_GeomFromText('GEOMETRYCOLLECTION(POINT(4 6),LINESTRING(4 6,7 10))', 4326));
 
 DROP TABLE IF EXISTS `events`;
 CREATE TABLE `events` (
diff --git a/tests/fixtures/blog_pgsql.sql b/tests/fixtures/blog_pgsql.sql
index 7f80774a..683a2300 100644
--- a/tests/fixtures/blog_pgsql.sql
+++ b/tests/fixtures/blog_pgsql.sql
@@ -241,17 +241,17 @@ INSERT INTO "users" ("username", "password", "api_key", "location") VALUES
 --
 
 INSERT INTO "countries" ("name", "shape") VALUES
-('Left',	ST_GeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))')),
-('Right',	ST_GeomFromText('POLYGON ((70 10, 80 40, 60 40, 50 20, 70 10))')),
-('Point',	ST_GeomFromText('POINT (30 10)')),
-('Line',	ST_GeomFromText('LINESTRING (30 10, 10 30, 40 40)')),
-('Poly1',	ST_GeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))')),
-('Poly2',	ST_GeomFromText('POLYGON ((35 10, 45 45, 15 40, 10 20, 35 10),(20 30, 35 35, 30 20, 20 30))')),
-('Mpoint',	ST_GeomFromText('MULTIPOINT (10 40, 40 30, 20 20, 30 10)')),
-('Mline',	ST_GeomFromText('MULTILINESTRING ((10 10, 20 20, 10 40),(40 40, 30 30, 40 20, 30 10))')),
-('Mpoly1',	ST_GeomFromText('MULTIPOLYGON (((30 20, 45 40, 10 40, 30 20)),((15 5, 40 10, 10 20, 5 10, 15 5)))')),
-('Mpoly2',	ST_GeomFromText('MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 10 30, 10 10, 30 5, 45 20, 20 35),(30 20, 20 15, 20 25, 30 20)))')),
-('Gcoll',	ST_GeomFromText('GEOMETRYCOLLECTION(POINT(4 6),LINESTRING(4 6,7 10))'));
+('Left',	ST_GeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))', 4326)),
+('Right',	ST_GeomFromText('POLYGON ((70 10, 80 40, 60 40, 50 20, 70 10))', 4326)),
+('Point',	ST_GeomFromText('POINT (30 10)', 4326)),
+('Line',	ST_GeomFromText('LINESTRING (30 10, 10 30, 40 40)', 4326)),
+('Poly1',	ST_GeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))', 4326)),
+('Poly2',	ST_GeomFromText('POLYGON ((35 10, 45 45, 15 40, 10 20, 35 10),(20 30, 35 35, 30 20, 20 30))', 4326)),
+('Mpoint',	ST_GeomFromText('MULTIPOINT (10 40, 40 30, 20 20, 30 10)', 4326)),
+('Mline',	ST_GeomFromText('MULTILINESTRING ((10 10, 20 20, 10 40),(40 40, 30 30, 40 20, 30 10))', 4326)),
+('Mpoly1',	ST_GeomFromText('MULTIPOLYGON (((30 20, 45 40, 10 40, 30 20)),((15 5, 40 10, 10 20, 5 10, 15 5)))', 4326)),
+('Mpoly2',	ST_GeomFromText('MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 10 30, 10 10, 30 5, 45 20, 20 35),(30 20, 20 15, 20 25, 30 20)))', 4326)),
+('Gcoll',	ST_GeomFromText('GEOMETRYCOLLECTION(POINT(4 6),LINESTRING(4 6,7 10))', 4326));
 
 --
 -- Data for Name: events; Type: TABLE DATA; Schema: public; Owner: postgres
diff --git a/tests/fixtures/blog_sqlsrv.sql b/tests/fixtures/blog_sqlsrv.sql
index 9bcfff1d..2219c851 100644
--- a/tests/fixtures/blog_sqlsrv.sql
+++ b/tests/fixtures/blog_sqlsrv.sql
@@ -342,27 +342,27 @@ GO
 INSERT [users] ([username], [password], [api_key], [location]) VALUES (N'user2', N'$2y$10$cg7/nswxVZ0cmVIsMB/pVOh1OfcHScBJGq7Xu4KF9dFEQgRZ8HWe.', NULL, NULL)
 GO
 
-INSERT [countries] ([name], [shape]) VALUES (N'Left', N'POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))')
+INSERT [countries] ([name], [shape]) VALUES (N'Left', geometry::STGeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Right', N'POLYGON ((70 10, 80 40, 60 40, 50 20, 70 10))')
+INSERT [countries] ([name], [shape]) VALUES (N'Right', geometry::STGeomFromText('POLYGON ((70 10, 80 40, 60 40, 50 20, 70 10))', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Point', N'POINT (30 10)')
+INSERT [countries] ([name], [shape]) VALUES (N'Point', geometry::STGeomFromText('POINT (30 10)', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Line', N'LINESTRING (30 10, 10 30, 40 40)')
+INSERT [countries] ([name], [shape]) VALUES (N'Line', geometry::STGeomFromText('LINESTRING (30 10, 10 30, 40 40)', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Poly1', N'POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))')
+INSERT [countries] ([name], [shape]) VALUES (N'Poly1', geometry::STGeomFromText('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Poly2', N'POLYGON ((35 10, 45 45, 15 40, 10 20, 35 10),(20 30, 35 35, 30 20, 20 30))')
+INSERT [countries] ([name], [shape]) VALUES (N'Poly2', geometry::STGeomFromText('POLYGON ((35 10, 45 45, 15 40, 10 20, 35 10),(20 30, 35 35, 30 20, 20 30))', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Mpoint', N'MULTIPOINT (10 40, 40 30, 20 20, 30 10)')
+INSERT [countries] ([name], [shape]) VALUES (N'Mpoint', geometry::STGeomFromText('MULTIPOINT (10 40, 40 30, 20 20, 30 10)', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Mline', N'MULTILINESTRING ((10 10, 20 20, 10 40),(40 40, 30 30, 40 20, 30 10))')
+INSERT [countries] ([name], [shape]) VALUES (N'Mline', geometry::STGeomFromText('MULTILINESTRING ((10 10, 20 20, 10 40),(40 40, 30 30, 40 20, 30 10))', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Mpoly1', N'MULTIPOLYGON (((30 20, 45 40, 10 40, 30 20)),((15 5, 40 10, 10 20, 5 10, 15 5)))')
+INSERT [countries] ([name], [shape]) VALUES (N'Mpoly1', geometry::STGeomFromText('MULTIPOLYGON (((30 20, 45 40, 10 40, 30 20)),((15 5, 40 10, 10 20, 5 10, 15 5)))', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Mpoly2', N'MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 10 30, 10 10, 30 5, 45 20, 20 35),(30 20, 20 15, 20 25, 30 20)))')
+INSERT [countries] ([name], [shape]) VALUES (N'Mpoly2', geometry::STGeomFromText('MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 10 30, 10 10, 30 5, 45 20, 20 35),(30 20, 20 15, 20 25, 30 20)))', 4326))
 GO
-INSERT [countries] ([name], [shape]) VALUES (N'Gcoll', N'GEOMETRYCOLLECTION(POINT(4 6),LINESTRING(4 6,7 10))')
+INSERT [countries] ([name], [shape]) VALUES (N'Gcoll', geometry::STGeomFromText('GEOMETRYCOLLECTION(POINT(4 6),LINESTRING(4 6,7 10))', 4326))
 GO
 
 INSERT [events] ([name], [datetime], [visitors]) VALUES (N'Launch', N'2016-01-01 13:01:01', 0)