diff --git a/package.json b/package.json
index ae06e6d..764edff 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
   },
   "scripts": {
     "build": "tsc && cp -r templates dist/",
+    "postbuild": "node -e \"const fs=require('fs'); const f='dist/main.js'; const c=fs.readFileSync(f,'utf8'); if(!c.startsWith('#!/usr/bin/env node')) fs.writeFileSync(f,'#!/usr/bin/env node\\n'+c); fs.chmodSync(f, '755');\"",
     "prepublishOnly": "npm run build",
     "generate": "node dist/main.js",
     "generate:dev": "ts-node main.ts",