diff --git a/templates/app.html.twig b/templates/app.html.twig
index eb685bd..08d9af0 100644
--- a/templates/app.html.twig
+++ b/templates/app.html.twig
@@ -357,6 +357,6 @@
   </div>
 </template>
 
-<script src="app.js?v={{ jsv }}"></script>
+<script type="module" src="js/app.js?v={{ jsv }}"></script>
 </body>
 </html>