diff --git a/lib/Listener/LoadAdditionalListener.php b/lib/Listener/LoadAdditionalListener.php
index dd60dec47..b59188166 100644
--- a/lib/Listener/LoadAdditionalListener.php
+++ b/lib/Listener/LoadAdditionalListener.php
@@ -8,6 +8,7 @@
 use OCP\EventDispatcher\IEventListener;
 use OCP\Util;
 
+/** @template-implements IEventListener<LoadAdditionalScriptsEvent> */
 class LoadAdditionalListener implements IEventListener {
     public function handle(Event $event): void {
         if (!($event instanceof LoadAdditionalScriptsEvent)) {