diff --git a/webpack.config.js b/webpack.config.js
index 476359ba1..853cea6a4 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -144,6 +144,10 @@ module.exports = {
             from: 'node_modules/scratch-gui/dist/static/blocks-media',
             to: 'static/blocks-media'
         }]),
+        new CopyWebpackPlugin([{
+            from: 'node_modules/scratch-gui/dist/chunks',
+            to: 'static/chunks'
+        }]),
         new CopyWebpackPlugin([{
             from: 'node_modules/scratch-gui/dist/extension-worker.js'
         }]),