diff --git a/php/templates/login.twig b/php/templates/login.twig
index b9479253..1b3f746e 100644
--- a/php/templates/login.twig
+++ b/php/templates/login.twig
@@ -19,5 +19,9 @@
             {% endif %}
         </div>
     </div>
+    <script type="text/javascript" src="before-unload.js"></script>
+    <div id="overlay">
+        <div class="loader"></div>
+    </div>
 {% endblock %}