diff --git a/scripts/module-map.js b/scripts/module-map.js
index 6896a2f3ac..425ece7445 100644
--- a/scripts/module-map.js
+++ b/scripts/module-map.js
@@ -8,7 +8,7 @@
 module.exports = Object.assign(
   {
     immutable: 'immutable',
-    React: 'react',
+    react: 'react',
     ReactDOM: 'react-dom',
     ReactDOMComet: 'react-dom',
     'object-assign': 'object-assign',