diff --git a/lib/base.php b/lib/base.php
index 63f2e758428f7..9956f0300a867 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -246,6 +246,7 @@ public static function checkMaintenanceMode(\OC\SystemConfig $systemConfig): voi
 			// render error page
 			$template = new OC_Template('', 'update.user', 'guest');
 			\OCP\Util::addScript('core', 'maintenance');
+			\OCP\Util::addScript('core', 'common');
 			\OCP\Util::addStyle('core', 'guest');
 			$template->printPage();
 			die();