diff --git a/Tests/Mock/Driver.php b/Tests/Mock/Driver.php
index eaeda2901..55f1e4078 100644
--- a/Tests/Mock/Driver.php
+++ b/Tests/Mock/Driver.php
@@ -139,7 +139,7 @@ public static function create(\PHPUnit_Framework_TestCase $test, $nullDate = '00
 	 *
 	 * @since   1.0
 	 */
-	public function mockEscape($text)
+	public static function mockEscape($text)
 	{
 		return "_{$text}_";
 	}