diff --git a/packages/redux-devtools-core/webpack.config.umd.js b/packages/redux-devtools-core/webpack.config.umd.js
index 2ad183e5..afaec767 100644
--- a/packages/redux-devtools-core/webpack.config.umd.js
+++ b/packages/redux-devtools-core/webpack.config.umd.js
@@ -9,6 +9,7 @@ module.exports = (env = {}) => ({
   },
   output: {
     library: 'ReduxDevTools',
+    libraryExport: 'default',
     libraryTarget: 'umd',
     path: path.resolve(__dirname, 'umd'),
     filename: env.minimize