diff --git a/webpack.config.js b/webpack.config.js
index d43441e541..83bddd7bb4 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -37,7 +37,8 @@ module.exports = {
 		new webpack.BannerPlugin( {
 			banner: bundler.getLicenseBanner(),
 			raw: true
-		} )
+		} ),
+		new webpack.optimize.ModuleConcatenationPlugin()
 	],
 
 	module: {