diff --git a/package.json b/package.json
index e3dae19..04e2d7e 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "scripts": {
     "prebuild": "rm -rf dist && mkdir dist",
     "build": "tsc",
-    "postbuild": "sed -i '' '1s/^/#!\\/usr\\/bin\\/env node\\n/' dist/index.js && chmod +x dist/index.js",
+    "postbuild": "chmod +x dist/index.js",
     "start": "ts-node src/index.ts",
     "prepublish": "npm run build"
   },
diff --git a/src/index.ts b/src/index.ts
index fafcd06..9c9d08e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 import { createClient } from "contentful-management";
 import dotenv from "dotenv";
 import fs from "fs";