diff --git a/build.sh b/build.sh
index d81164353c..3ef874f9bd 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if test `uname` = Darwin; then
     cachedir=~/Library/Caches/KBuild