diff --git a/src/backend.dataproxy.js b/src/backend.dataproxy.js
index d16e6553..ffe36792 100644
--- a/src/backend.dataproxy.js
+++ b/src/backend.dataproxy.js
@@ -5,7 +5,7 @@ this.recline.Backend.DataProxy = this.recline.Backend.DataProxy || {};
 (function(my) {
   my.__type__ = 'dataproxy';
   // URL for the dataproxy
-  my.dataproxy_url = 'http://jsonpdataproxy.appspot.com';
+  my.dataproxy_url = '//jsonpdataproxy.appspot.com';
   // Timeout for dataproxy (after this time if no response we error)
   // Needed because use JSONP so do not receive e.g. 500 errors 
   my.timeout = 5000;