diff --git a/samples/angular-msgraph/src/webparts/msGraph/app/aad.js b/samples/angular-msgraph/src/webparts/msGraph/app/aad.js
index fb449f04d..6e51938ec 100644
--- a/samples/angular-msgraph/src/webparts/msGraph/app/aad.js
+++ b/samples/angular-msgraph/src/webparts/msGraph/app/aad.js
@@ -1,4 +1,4 @@
-let hello = require('hellojs');
+var hello = require('hellojs');
 
 hello.init({