diff --git a/lib/classes/PageLayout.php b/lib/classes/PageLayout.php
index a4178a5abdba111ee2ca92529fbba8c3a2a68f70..d6b28ec0a0782acb838a8dd7972db274391d21b3 100644
--- a/lib/classes/PageLayout.php
+++ b/lib/classes/PageLayout.php
@@ -150,7 +150,7 @@ class PageLayout
             ]);
             self::addHeadElement('script', [
                 'src' => URLHelper::getURL('dispatch.php/debugbar/js'),
-            ]);
+            ], '');
 
             URLHelper::setBaseURL($old_base);
         }