diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index 9cae642af4db0cc43b9c7581300056f0a9c70679..6c7966501180a739dbe699c52493ff607a898214 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -4,17 +4,28 @@ declare(strict_types=1);
 
 namespace OCA\MultiOffice\AppInfo;
 
+use OCA\MultiOffice\Listener;
 use OCP\AppFramework\App;
+use OCP\AppFramework\Bootstrap\IBootContext;
+use OCP\AppFramework\Bootstrap\IBootstrap;
+use OCP\AppFramework\Bootstrap\IRegistrationContext;
+use OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent;
 
-class Application extends App {
+class Application extends App implements IBootstrap
+{
+    const APP_ID = "multioffice";
 
-    public function __construct() {
-        parent::__construct('multioffice');
-        $eventDispatcher = \OC::$server->getEventDispatcher();
-        $eventDispatcher->addListener('OCA\Files::loadAdditionalScripts', function() {
-            script('multioffice', 'script'); 
-            style('multioffice', 'style');
-        });
+    public function __construct()
+    {
+        parent::__construct(self::APP_ID);
     }
 
+    public function register(IRegistrationContext $context): void
+    {
+        $context->registerEventListener(BeforeTemplateRenderedEvent::class, Listener::class);
+    }
+
+    public function boot(IBootContext $context): void
+    {
+    }
 }
diff --git a/lib/Listener.php b/lib/Listener.php
new file mode 100644
index 0000000000000000000000000000000000000000..041c9c6eaab540bd91da31d1c7b6d27d742b3702
--- /dev/null
+++ b/lib/Listener.php
@@ -0,0 +1,22 @@
+<?php
+// SPDX-FileCopyrightText: IndieHosters <contact@indiehosters.net>
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+namespace OCA\MultiOffice;
+
+use OCA\MultiOffice\AppInfo\Application;
+use OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\Util;
+
+class Listener implements IEventListener
+{
+    public function handle(Event $event): void
+    {
+        if ($event instanceof BeforeTemplateRenderedEvent) {
+            Util::addStyle(Application::APP_ID, "style");
+            Util::addScript(Application::APP_ID, "script");
+        }
+    }
+}