diff --git a/webpack.config.prod.js b/webpack.config.prod.js
index 2658cbd8..1c460696 100644
--- a/webpack.config.prod.js
+++ b/webpack.config.prod.js
@@ -41,5 +41,12 @@ productionWebpackConfig.plugins.push(
     },
   })
 );
+productionWebpackConfig.plugins.push(
+  new webpack.DefinePlugin({
+    'process.env': {
+      NODE_ENV: JSON.stringify('production'),
+    },
+  })
+);
 
 module.exports = productionWebpackConfig;