diff --git a/generator.ts b/generator.ts
old mode 100644
new mode 100755
index 02e4505..6167695
--- a/generator.ts
+++ b/generator.ts
@@ -1,4 +1,3 @@
-#!/usr/bin/env node
 import type { DMMF } from "@prisma/generator-helper";
 import generatorHelper from "@prisma/generator-helper";
 import { mkdir, writeFile } from "node:fs/promises";
diff --git a/package.json b/package.json
index 3098fbe..794a286 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
   },
   "scripts": {
     "build": "tsc -p tsconfig.build.json",
+    "postbuild": "node -e \"g='generator.js';f=require('fs');f.writeFileSync(g,'#!/usr/bin/env node\\n'+f.readFileSync(g))\"",
     "clean": "rimraf --glob *.js **/__TEST_TMP__",
     "generate": "prisma generate --schema=prisma/example.prisma",
     "lint": "prettier --check . && eslint . --ext .ts",