diff --git a/webpack.common.js b/webpack.common.js
index f2f7869..12dcd72 100644
--- a/webpack.common.js
+++ b/webpack.common.js
@@ -27,9 +27,9 @@ module.exports = {
     }),
     new CopyWebpackPlugin({
       patterns: [
-        { from: 'css/src/*.css', to: `${cssDist}/[name].[ext]`, transform: cssTransform },
-        { from: 'node_modules/ol/ol.css', to: `${cssDist}/[name].[ext]`, transform: cssTransform },
-        { from: 'node_modules/chartist/dist/chartist.css', to: `${cssDist}/[name].[ext]`, transform: cssTransform }
+        { from: 'css/src/*.css', to: `${cssDist}/[name][ext]`, transform: cssTransform },
+        { from: 'node_modules/ol/ol.css', to: `${cssDist}/[name][ext]`, transform: cssTransform },
+        { from: 'node_modules/chartist/dist/chartist.css', to: `${cssDist}/[name][ext]`, transform: cssTransform }
       ]
     })
   ],