diff --git a/oauth3.issuer.mock.js b/oauth3.issuer.mock.js
index f60118d..5f4966a 100644
--- a/oauth3.issuer.mock.js
+++ b/oauth3.issuer.mock.js
@@ -1,7 +1,7 @@
 ;(function (exports) {
 'use strict';
 
-  var OAUTH3 = exports.OAUTH3 = exports.OAUTH3 || require('./oauth3.implicit.js').OAUTH3;
+  var OAUTH3 = exports.OAUTH3 = exports.OAUTH3 || require('./oauth3.core.js').OAUTH3;
 
   OAUTH3._base64.btoa = function (b64) {
     // http://stackoverflow.com/questions/9677985/uncaught-typeerror-illegal-invocation-in-chrome