diff --git a/src/static/js/pad.js b/src/static/js/pad.js
index 9753d68fc..b6e1bd84b 100644
--- a/src/static/js/pad.js
+++ b/src/static/js/pad.js
@@ -855,7 +855,7 @@ var pad = {
       $.ajax(
       {
         type: 'post',
-        url: 'ep/pad/connection-diagnostic-info',
+        url: '/ep/pad/connection-diagnostic-info',
         data: {
           diagnosticInfo: JSON.stringify(pad.diagnosticInfo)
         },