diff --git a/react-frontend/package.json b/react-frontend/package.json
index b0f1328c5..99ca6a7b8 100644
--- a/react-frontend/package.json
+++ b/react-frontend/package.json
@@ -31,7 +31,7 @@
     "yup": "^0.32.11"
   },
   "scripts": {
-    "start": "PORT=4200 react-scripts start",
+    "start": "set PORT=4200 && react-scripts start",
     "build": "cross-env NODE_ENV=production webpack --config build/webpack.config.js",
     "test": "react-scripts test --transformIgnorePatterns 'node_modules/(?!(jest-)?(@ionic/react|@ionic/react-router|@ionic/core|@stencil/core|ionicons|react-confirm-alert)/)'",
     "eject": "react-scripts eject"