diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 6b70f74..45b91bd 100644
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -31,7 +31,7 @@ use phpOMS\Views\View;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class BackendController extends Controller
+final class BackendController extends Controller
 {
     /**
      * @param RequestAbstract  $request  Request