diff --git a/com.dbeaver.jdbc.driver.libsql/src/main/java/com/dbeaver/jdbc/driver/libsql/LibSqlUtils.java b/com.dbeaver.jdbc.driver.libsql/src/main/java/com/dbeaver/jdbc/driver/libsql/LibSqlUtils.java
index 4bcc5e3..240de29 100644
--- a/com.dbeaver.jdbc.driver.libsql/src/main/java/com/dbeaver/jdbc/driver/libsql/LibSqlUtils.java
+++ b/com.dbeaver.jdbc.driver.libsql/src/main/java/com/dbeaver/jdbc/driver/libsql/LibSqlUtils.java
@@ -50,7 +50,7 @@ public static String unquote(String name) {
     }
 
     public static String escape(final String val) {
-        if (val.indexOf('\'') == 1) {
+        if (val.indexOf('\'') == -1) {
             return val;
         }
         int len = val.length();
diff --git a/com.dbeaver.jdbc.driver.libsql/src/test/java/com/dbeaver/jdbc/upd/driver/test/LibSqlUtilsTest.java b/com.dbeaver.jdbc.driver.libsql/src/test/java/com/dbeaver/jdbc/upd/driver/test/LibSqlUtilsTest.java
index 46f7233..239d23e 100644
--- a/com.dbeaver.jdbc.driver.libsql/src/test/java/com/dbeaver/jdbc/upd/driver/test/LibSqlUtilsTest.java
+++ b/com.dbeaver.jdbc.driver.libsql/src/test/java/com/dbeaver/jdbc/upd/driver/test/LibSqlUtilsTest.java
@@ -45,4 +45,23 @@ public void testFormatUrl() throws LibSqlException {
     private void assertUrlFormat(String input, String expected) throws LibSqlException {
         Assertions.assertEquals(expected, LibSqlUtils.validateAndFormatUrl(input));
     }
+
+    @Test
+    public void testEscape() {
+        // No quote: returned unchanged.
+        Assertions.assertEquals("table", LibSqlUtils.escape("table"));
+        Assertions.assertEquals("", LibSqlUtils.escape(""));
+
+        // Every single quote must be doubled, wherever it sits.
+        Assertions.assertEquals("''", LibSqlUtils.escape("'"));
+        Assertions.assertEquals("a''b", LibSqlUtils.escape("a'b"));
+        Assertions.assertEquals("''ab", LibSqlUtils.escape("'ab"));
+        Assertions.assertEquals("ab''", LibSqlUtils.escape("ab'"));
+
+        // Regression: a quote at index 1 used to be returned un-escaped
+        // (guard was `== 1` instead of `== -1`), letting the quote close the
+        // surrounding SQL string literal in concatenated metadata queries.
+        Assertions.assertEquals("x''", LibSqlUtils.escape("x'"));
+        Assertions.assertEquals("x'' OR ''1''=''1", LibSqlUtils.escape("x' OR '1'='1"));
+    }
 }
\ No newline at end of file