diff --git a/tools/webpack/media.js b/tools/webpack/media.js
index 8f55c32249..ff86d8eb8d 100644
--- a/tools/webpack/media.js
+++ b/tools/webpack/media.js
@@ -27,6 +27,7 @@ module.exports = function( env = { environment: 'production', watch: false, buil
 		},
 		optimization: {
 			minimize: true,
+			moduleIds: 'named',
 			minimizer: [
 				new UglifyJsPlugin( {
 					include: /\.min\.js$/,