diff --git a/themes/learn2-dark/templates/partials/goatcounter.html.twig b/themes/learn2-dark/templates/partials/goatcounter.html.twig
index 0b627c3..0325eac 100644
--- a/themes/learn2-dark/templates/partials/goatcounter.html.twig
+++ b/themes/learn2-dark/templates/partials/goatcounter.html.twig
@@ -4,7 +4,7 @@
             // prepend the url to the path
             path: function(p) { return location.host + p },
             // normalize referrer to just the URL
-            referrer: function(r) { new URL(document.referrer).origin }
+            referrer: function(r) { return new URL(document.referrer).origin }
         }
     </script>
     <script data-goatcounter="https://exu.goatcounter.com/count"