diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 85df2fcab..d274190a2 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -84,6 +84,6 @@
 {{ template "_internal/google_analytics.html" . }}
 <script>
   window.dataLayer.push({
-    'git_branch': '{{ getenv "BRANCH" }}',
+    'gitBranch': '{{ getenv "BRANCH" }}',
   });
 </script>