diff --git a/src/main/java/com/aerospike/jdbc/AerospikePreparedStatement.java b/src/main/java/com/aerospike/jdbc/AerospikePreparedStatement.java
index 72bd347..e53c4ce 100644
--- a/src/main/java/com/aerospike/jdbc/AerospikePreparedStatement.java
+++ b/src/main/java/com/aerospike/jdbc/AerospikePreparedStatement.java
@@ -49,6 +49,8 @@ private Object[] buildSqlParameters(String sql) {
 
     @Override
     public ResultSet executeQuery() throws SQLException {
+        checkClosed();
+
         logger.info(() -> format("executeQuery: %s, params: %s", sqlStatement, Arrays.toString(sqlParameters)));
         AerospikeQuery query = parseQuery(sqlStatement, Arrays.asList(sqlParameters));
         runQuery(query);
@@ -178,6 +180,8 @@ public void setObject(int parameterIndex, Object x) throws SQLException {
 
     @Override
     public boolean execute() throws SQLException {
+        checkClosed();
+
         logger.info(() -> format("execute: %s, params: %s", sqlStatement, Arrays.toString(sqlParameters)));
         AerospikeQuery query = parseQuery(sqlStatement, Arrays.asList(sqlParameters));
         runQuery(query);
diff --git a/src/main/java/com/aerospike/jdbc/AerospikeStatement.java b/src/main/java/com/aerospike/jdbc/AerospikeStatement.java
index aefcd86..3e84aa5 100644
--- a/src/main/java/com/aerospike/jdbc/AerospikeStatement.java
+++ b/src/main/java/com/aerospike/jdbc/AerospikeStatement.java
@@ -15,6 +15,7 @@
 import java.sql.SQLWarning;
 import java.sql.Statement;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.logging.Logger;
 
 import static java.lang.String.format;
@@ -33,6 +34,8 @@ public class AerospikeStatement implements Statement, SimpleWrapper {
     protected final IAerospikeClient client;
     protected final AerospikeConnection connection;
 
+    private final AtomicBoolean isClosed = new AtomicBoolean();
+
     protected String catalog;
     protected ResultSet resultSet;
     protected int updateCount;
@@ -48,6 +51,8 @@ public AerospikeStatement(IAerospikeClient client, AerospikeConnection connectio
 
     @Override
     public ResultSet executeQuery(String sql) throws SQLException {
+        checkClosed();
+
         logger.info(() -> "executeQuery: " + sql);
         AerospikeQuery query = parseQuery(sql, null);
         runQuery(query);
@@ -82,7 +87,7 @@ public int executeUpdate(String sql) throws SQLException {
 
     @Override
     public void close() {
-        // do nothing
+        isClosed.set(true);
     }
 
     @Override
@@ -142,6 +147,8 @@ public void setCursorName(String name) throws SQLException {
 
     @Override
     public boolean execute(String sql) throws SQLException {
+        checkClosed();
+
         logger.info(() -> "execute: " + sql);
         AerospikeQuery query = parseQuery(sql, null);
         runQuery(query);
@@ -281,7 +288,7 @@ public int getResultSetHoldability() {
 
     @Override
     public boolean isClosed() {
-        return false;
+        return isClosed.get();
     }
 
     @Override
@@ -305,4 +312,10 @@ public void closeOnCompletion() {
     public boolean isCloseOnCompletion() {
         return false;
     }
+
+    protected void checkClosed() throws SQLException {
+        if (isClosed()) {
+            throw new SQLException("Statement is closed");
+        }
+    }
 }
diff --git a/src/test/java/com/aerospike/jdbc/PreparedQueriesTest.java b/src/test/java/com/aerospike/jdbc/PreparedQueriesTest.java
index 20fdab8..0c7574e 100644
--- a/src/test/java/com/aerospike/jdbc/PreparedQueriesTest.java
+++ b/src/test/java/com/aerospike/jdbc/PreparedQueriesTest.java
@@ -27,6 +27,7 @@
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertFalse;
 import static org.testng.Assert.assertNull;
+import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.assertTrue;
 
 public class PreparedQueriesTest {
@@ -327,4 +328,14 @@ public void testSelectBetweenQuery() throws SQLException {
             closeQuietly(resultSet);
         }
     }
+
+    @Test
+    public void testStatementClosed() {
+        String query = format("select * from %s limit 10", TABLE_NAME);
+        assertThrows(SQLException.class, () -> {
+            PreparedStatement statement = connection.prepareStatement(query);
+            statement.close();
+            statement.executeQuery();
+        });
+    }
 }
diff --git a/src/test/java/com/aerospike/jdbc/SimpleQueriesTest.java b/src/test/java/com/aerospike/jdbc/SimpleQueriesTest.java
index a7405c1..9edfb08 100644
--- a/src/test/java/com/aerospike/jdbc/SimpleQueriesTest.java
+++ b/src/test/java/com/aerospike/jdbc/SimpleQueriesTest.java
@@ -27,6 +27,7 @@
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertFalse;
 import static org.testng.Assert.assertNull;
+import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.assertTrue;
 
 public class SimpleQueriesTest {
@@ -336,4 +337,14 @@ public void testSelectUpperBoundaryBetweenQuery() throws SQLException {
             closeQuietly(resultSet);
         }
     }
+
+    @Test
+    public void testStatementClosed() {
+        String query = format("SELECT count(*) FROM %s", TABLE_NAME);
+        assertThrows(SQLException.class, () -> {
+            Statement statement = connection.createStatement();
+            statement.close();
+            statement.executeQuery(query);
+        });
+    }
 }