diff --git a/server/package.json b/server/package.json
index 32cc9cd5..8c442e25 100644
--- a/server/package.json
+++ b/server/package.json
@@ -23,7 +23,7 @@
   ],
   "scripts": {
     "dev": "tsx src/index.ts",
-    "dev:watch": "PAPERCLIP_MIGRATION_PROMPT=never tsx watch --ignore ../ui/node_modules --ignore ../ui/.vite --ignore ../ui/dist src/index.ts",
+    "dev:watch": "cross-env PAPERCLIP_MIGRATION_PROMPT=never tsx watch --ignore ../ui/node_modules --ignore ../ui/.vite --ignore ../ui/dist src/index.ts",
     "prepare:ui-dist": "bash ../scripts/prepare-server-ui-dist.sh",
     "build": "tsc",
     "prepack": "pnpm run prepare:ui-dist",