diff --git a/templates/page/html.html.twig b/templates/page/html.html.twig
index 9d3f4d9a97488a05f096bfb1c8c74f6e06b859f7..5dbcb4371d4c8f768adf8adaf98a3178a860aa8b 100644
--- a/templates/page/html.html.twig
+++ b/templates/page/html.html.twig
@@ -54,7 +54,7 @@
 {% if not uw_admin_page %}
   <!-- Google Tag Manager (noscript) -->
   <noscript>
-    <iframe src="https://www.googletagmanager.com/ns.html?id=GTM-M9XLVF" height="0" width="0" style="display:none;visibility:hidden"></iframe>
+    <iframe aria-label="Google Tag Manager" src="https://www.googletagmanager.com/ns.html?id=GTM-M9XLVF" height="0" width="0" style="display:none;visibility:hidden"></iframe>
   </noscript>
   <!-- End Google Tag Manager (noscript) -->
 {% endif %}