diff --git a/webpack.config.js b/webpack.config.js
index a2849da37d..a16d84964f 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -33,7 +33,9 @@ module.exports = {
       TextDecoder: ["text-encoding", "TextDecoder"],
       TextEncoder: ["text-encoding", "TextEncoder"]
     }),
-    new MonacoWebpackPlugin()
+    new MonacoWebpackPlugin({
+      languages: ['javascript']
+    })
   ],
   module: {
     rules: [{