diff --git a/lib/build.rb b/lib/build.rb
index 4788187..c636746 100644
--- a/lib/build.rb
+++ b/lib/build.rb
@@ -41,7 +41,7 @@ def run
         @commands.unshift(clone_cmd)
       end
 
-      @run_file.puts %|#!/bin/bash|
+      @run_file.puts %|#!/usr/bin/env bash|
       @run_file.puts %|set -e|
       @run_file.puts %|trap 'kill -s INT 0' EXIT|