diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index b812fd7..6336b88 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -8,13 +8,13 @@ use OC\User\User;
 use OCA\SideMenu\Service\AppRepository;
 use OCA\SideMenu\Service\CategoryRepository;
 use OCA\SideMenu\Service\ConfigProxy;
+use OCA\SideMenu\Util\AssetUtil;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\AppFramework\Bootstrap\IBootstrap;
 use OCP\AppFramework\Bootstrap\IRegistrationContext;
 use OCP\IUserSession;
 use OCP\Util;
-use Psr\Container\ContainerInterface;
 
 /**
  * class Application.
@@ -72,21 +72,27 @@ class Application extends App implements IBootstrap
 
     protected function addAssets()
     {
-        Util::addScript(self::APP_ID, 'sideMenu');
-        Util::addStyle(self::APP_ID, 'sideMenu');
+        AssetUtil::getInstance()
+            // Add runtime.js
+            ->addEntrypointAsset('menu', 'js', 0)
+            // Add menu.js
+            ->addEntrypointAsset('menu', 'js', 1)
+            // Add menu.css
+            ->addEntrypointAsset('menu', 'css', 0)
+        ;
 
         $assets = [
-            'stylesheet' => [
-                'route' => 'side_menu.Css.stylesheet',
+            [
                 'type' => 'link',
+                'route' => 'side_menu.Css.stylesheet',
                 'route_attr' => 'href',
                 'attr' => [
                     'rel' => 'stylesheet',
                 ],
             ],
-            'script' => [
-                'route' => 'side_menu.Js.script',
+            [
                 'type' => 'script',
+                'route' => 'side_menu.Js.script',
                 'route_attr' => 'src',
                 'attr' => [
                     'nonce' => $this->cspnm->getNonce(),
@@ -99,7 +105,6 @@ class Application extends App implements IBootstrap
         foreach ($assets as $value) {
             $route = OC::$server->getURLGenerator()->linkToRoute($value['route'], ['v' => $cache]);
             $value['attr'][$value['route_attr']] = $route;
-
             Util::addHeader($value['type'], $value['attr'], '');
         }
     }