diff --git a/test/runner.html b/test/runner.html
index ba99774..2379b41 100644
--- a/test/runner.html
+++ b/test/runner.html
@@ -8,8 +8,7 @@
   <div id="mocha"></div>
 
   <!-- Polyfills -->
-  <script src="../node_modules/es6-promise/dist/es6-promise.min.js"></script>
-  <script>ES6Promise.polyfill();</script>
+  <script src="../node_modules/es6-promise/dist/es6-promise.auto.min.js"></script>
 
   <!-- Testing Framework -->
   <script src="../node_modules/mocha/mocha.js"></script>