diff --git a/repl.js b/repl.js
index f9fd7e9..e928af6 100644
--- a/repl.js
+++ b/repl.js
@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 'use strict'
 const repl = require('repl')
 const {type} = require('os')