diff --git a/desktop/package.json b/desktop/package.json
index 551d875..edcbbdd 100644
--- a/desktop/package.json
+++ b/desktop/package.json
@@ -4,7 +4,7 @@
   "description": "Desktop pet wrapper for Claude CLI",
   "main": "dist-electron/main.js",
   "scripts": {
-    "dev": "npx tsc -p tsconfig.electron.json && concurrently \"vite\" \"tsc -p tsconfig.electron.json --watch --preserveWatchOutput\" \"wait-on http://localhost:5173 && VITE_DEV_SERVER_URL=http://localhost:5173 npx electron dist-electron/main.js\"",
+    "dev": "npx tsc -p tsconfig.electron.json && concurrently \"vite --strictPort\" \"tsc -p tsconfig.electron.json --watch --preserveWatchOutput\" \"wait-on http://localhost:5173 && VITE_DEV_SERVER_URL=http://localhost:5173 npx electron dist-electron/main.js\"",
     "build": "vite build && tsc -p tsconfig.electron.json && cp electron/preload.js dist-electron/ && echo '{\"type\":\"commonjs\"}' > dist-electron/package.json",
     "start": "npx electron dist-electron/main.js",
     "pack": "npm run build && electron-builder --dir",