diff --git a/README.md b/README.md
index 118b6d34..3992f8d4 100644
--- a/README.md
+++ b/README.md
@@ -183,7 +183,7 @@ app.on('activate', () => {
 ```json
   "scripts": {
     "postinstall": "electron-builder install-app-deps",
-    "electron:dev": "concurrently \"cross-env BROWSER=none yarn start\" \"wait-on http://localhost:3000 && tsc -p electron -w\" \"wait-on http://localhost:3000 && tsc -p electron && electron .\"",
+    "electron:dev": "concurrently \"cross-env BROWSER=none yarn start\" \"wait-on http://127.0.0.1:3000 && tsc -p electron -w\" \"wait-on http://127.0.0.1:3000 && tsc -p electron && electron .\"",
     "electron:build": "yarn build && tsc -p electron && electron-builder",
 ```
 
diff --git a/package.json b/package.json
index 52569c98..1805d0ac 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "build": "react-scripts build",
     "test": "react-scripts test",
     "postinstall": "electron-builder install-app-deps",
-    "electron:dev": "concurrently \"cross-env BROWSER=none yarn start\" \"wait-on http://localhost:3000 && tsc -p electron -w\" \"wait-on http://localhost:3000 && tsc -p electron && electron .\"",
+    "electron:dev": "concurrently \"cross-env BROWSER=none yarn start\" \"wait-on http://127.0.0.1:3000 && tsc -p electron -w\" \"wait-on http://127.0.0.1:3000 && tsc -p electron && electron .\"",
     "electron:build": "yarn build && tsc -p electron && electron-builder",
     "eject": "react-scripts eject"
   },