diff --git a/packages/redux-devtools-inspector-monitor/demo/config/webpack.config.ts b/packages/redux-devtools-inspector-monitor/demo/config/webpack.config.ts
index c7b08800..b4999104 100644
--- a/packages/redux-devtools-inspector-monitor/demo/config/webpack.config.ts
+++ b/packages/redux-devtools-inspector-monitor/demo/config/webpack.config.ts
@@ -17,7 +17,7 @@ module.exports = {
         './demo/src/js/index',
       ],
   output: {
-    path: path.join(__dirname, 'demo/dist'),
+    path: path.join(__dirname, './dist'),
     filename: 'js/bundle.js',
   },
   module: {
@@ -60,5 +60,5 @@ module.exports = {
         },
         historyApiFallback: true,
       },
-  devtool: 'eval-source-map',
+  devtool: isProduction ? 'sourcemap' : 'eval-source-map',
 };
diff --git a/packages/redux-devtools-inspector-monitor/demo/src/js/index.tsx b/packages/redux-devtools-inspector-monitor/demo/src/js/index.tsx
index 9b90cc1c..17a02733 100644
--- a/packages/redux-devtools-inspector-monitor/demo/src/js/index.tsx
+++ b/packages/redux-devtools-inspector-monitor/demo/src/js/index.tsx
@@ -24,10 +24,7 @@ function getDebugSessionKey() {
   return matches && matches.length > 0 ? matches[1] : null;
 }
 
-const ROOT =
-  process.env.NODE_ENV === 'production'
-    ? '/redux-devtools-inspector-monitor/'
-    : '/';
+const ROOT = '/';
 
 const DevTools = getDevTools(window.location);
 
diff --git a/packages/redux-devtools-inspector-monitor/package.json b/packages/redux-devtools-inspector-monitor/package.json
index 0bcceefc..420d0af7 100644
--- a/packages/redux-devtools-inspector-monitor/package.json
+++ b/packages/redux-devtools-inspector-monitor/package.json
@@ -24,7 +24,7 @@
   "scripts": {
     "start": "webpack-dev-server --config demo/config/webpack.config.ts",
     "stats": "webpack --profile --json > stats.json",
-    "build:demo": "NODE_ENV=production webpack -p",
+    "build:demo": "cross-env NODE_ENV=production webpack -p --config demo/config/webpack.config.ts",
     "build": "npm run build:types && npm run build:js",
     "build:types": "tsc --emitDeclarationOnly",
     "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",