diff --git a/ckanext/alisea/templates/snippets/gtm.html b/ckanext/alisea/templates/snippets/gtm.html
index 679597f..f6c032b 100644
--- a/ckanext/alisea/templates/snippets/gtm.html
+++ b/ckanext/alisea/templates/snippets/gtm.html
@@ -1,7 +1,8 @@
-<!-- Google Tag Manager -->
-<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
-    new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
-    j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
-    'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
-    })(window,document,'script','dataLayer','{{ h.get_google_tag() }}');</script>
-<!-- End Google Tag Manager -->
\ No newline at end of file
+<!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id={{ h.get_google_tag() }}"></script>
+<script>
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments);}
+ gtag('js', new Date());
+ gtag('config', '{{ h.get_google_tag() }}');
+</script>