diff --git a/_layouts/default.html b/_layouts/default.html
index c59e4ce..d4ec011 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -35,6 +35,7 @@
     })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
 
     ga('create', '{{ site.google_analytics }}', 'auto');
+    ga('require', 'linkid');
     ga('send', 'pageview');
   </script>
 </body>