diff --git a/examples/async/user.js b/examples/async/user.js
index ac8e91a8a2a0..be215593bbe8 100644
--- a/examples/async/user.js
+++ b/examples/async/user.js
@@ -2,6 +2,7 @@
 
 'use strict';
 
+import 'babel-polyfill';
 import request from './request';
 
 export function getUserName(userID) {