diff --git a/changedetectionio/templates/base.html b/changedetectionio/templates/base.html
index 13b523fa..63cddf6e 100644
--- a/changedetectionio/templates/base.html
+++ b/changedetectionio/templates/base.html
@@ -143,10 +143,7 @@
       {% endif %}
       {% block content %}{% endblock %}
     </section>
-    <script
-      type="text/javascript"
-      src="{{url_for('static_content', group='js', filename='toggle-theme.js')}}"
-      defer></script>
+    <script src="{{url_for('static_content', group='js', filename='toggle-theme.js')}}" defer></script>
   </body>
 
 </html>