diff --git a/composer.json b/composer.json
index cd49614..1ddc43e 100644
--- a/composer.json
+++ b/composer.json
@@ -1,8 +1,12 @@
 {
   "name": "afbora/kirby-loader",
   "description": "Plugins loader from multiple roots for Kirby",
-  "keywords": [],
-  "version": "2.2.0",
+  "keywords": [
+    "kirby3",
+    "kirby4",
+    "kirby5"
+  ],
+  "version": "2.3.0",
   "type": "kirby-plugin",
   "license": "MIT",
   "homepage": "https://github.com/afbora/kirby-loader",
diff --git a/src/Loader.php b/src/Loader.php
index 1542b60..fb67bf4 100644
--- a/src/Loader.php
+++ b/src/Loader.php
@@ -46,9 +46,12 @@ protected function pluginsLoader(string $root): void
         }
     }
 
-    protected function readDir(string $root = null): bool
+    protected function readDir(?string $root = null): bool
     {
-        if (empty($root) === true|| in_array(substr(basename($root), 0, 1), ['.', '..']) === true) {
+        if (
+            $root === null ||
+            in_array(substr(basename($root), 0, 1), ['.', '..']) === true
+        ) {
             return false;
         }
 
@@ -58,7 +61,7 @@ protected function readDir(string $root = null): bool
 
         $dirname = basename($root);
 
-        $entry = $root . DIRECTORY_SEPARATOR . 'index.php';
+        $entry  = $root . DIRECTORY_SEPARATOR . 'index.php';
         $script = $root . DIRECTORY_SEPARATOR . 'index.js';
         $styles = $root . DIRECTORY_SEPARATOR . 'index.css';
 
@@ -74,14 +77,18 @@ protected function readDir(string $root = null): bool
         return true;
     }
 
-    protected function getRootPath(string $root = null): string
+    protected function getRootPath(?string $root = null): string
     {
-        $index = kirby()->root();
-
-        if (is_dir($root) === false && strpos($root, $index) === false) {
-            $root = $index . DIRECTORY_SEPARATOR . ltrim($root, DIRECTORY_SEPARATOR);
+        $baseRoot = App::instance()->root();
+
+        if (
+            $root !== null &&
+            is_dir($root) === false &&
+            strpos($root, $baseRoot) === false
+        ) {
+            return $baseRoot . DIRECTORY_SEPARATOR . ltrim($root, DIRECTORY_SEPARATOR);
         }
 
-        return $root;
+        return $baseRoot;
     }
 }