diff --git a/packager/react-packager/src/Resolver/polyfills/babelHelpers.js b/packager/react-packager/src/Resolver/polyfills/babelHelpers.js
index 5eca9e309..b1254a688 100644
--- a/packager/react-packager/src/Resolver/polyfills/babelHelpers.js
+++ b/packager/react-packager/src/Resolver/polyfills/babelHelpers.js
@@ -70,7 +70,7 @@
     return obj;
   };
 
-  babelHelpers._extends = Object.assign || function (target) {
+  babelHelpers._extends = babelHelpers.extends = Object.assign || function (target) {
     for (var i = 1; i < arguments.length; i++) {
       var source = arguments[i];