diff --git a/lib/bootstraplesson.js b/lib/bootstraplesson.js
index aeef4d30b5b..02839214e97 100644
--- a/lib/bootstraplesson.js
+++ b/lib/bootstraplesson.js
@@ -1,11 +1,12 @@
 /*******************************************
  * IDENTIFY OLD VERSIONS
  *******************************************/
-  function UrlExists(url) {
+   function UrlExists(url) {
       var http = new XMLHttpRequest();
       http.open('HEAD', url, false); // TODO: change this to 'true' and use a promise to render the out of date banner
       http.send();
-      return (http.status !== 404)
+      console.log('checking for', url, 'status is', http.status)
+      return (http.status == 200)
   }
 
  function isNewest() {
@@ -34,6 +35,7 @@
   }
 }
 
+
 /*******************************************
  * ATTACH OPEN/CLOSE EVENTS TO LESSON SIDEBAR
  *******************************************/