diff --git a/_includes/analytics.js b/_includes/analytics.js
index 91fd70f..c8f9293 100644
--- a/_includes/analytics.js
+++ b/_includes/analytics.js
@@ -26,7 +26,7 @@
   var _mtm = _mtm || [];
   _mtm.push({'mtm.startTime': (new Date().getTime()), 'event': 'mtm.Start'});
   var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
-  g.type='text/javascript'; g.async=true; g.defer=true; g.src='https://cdn.matomo.cloud/terminalnetwork.matomo.cloud/container_{{ site.matomo_container }}.js'; s.parentNode.insertBefore(g,s);
+  g.type='text/javascript'; g.async=true; g.defer=true; g.src='//cdn.matomo.cloud/terminalnetwork.matomo.cloud/container_{{ site.matomo_container }}.js'; s.parentNode.insertBefore(g,s);
 
 //* End Matomo Tag Manager *//
 {% endif %}