diff --git a/libraries/classes/Plugins/AuthenticationPlugin.php b/libraries/classes/Plugins/AuthenticationPlugin.php
index 7e19a42e15..b9f3762ba7 100644
--- a/libraries/classes/Plugins/AuthenticationPlugin.php
+++ b/libraries/classes/Plugins/AuthenticationPlugin.php
@@ -337,7 +337,7 @@ abstract class AuthenticationPlugin
         )->display();
         echo Template::get('login/twofactor')->render([
             'form' => $twofactor->render(),
-            'show_submit' => $twofactor->showSubmit,
+            'show_submit' => $twofactor->backend::$showSubmit,
         ]);
         echo Template::get('login/footer')->render();
         echo Config::renderFooter();