diff --git a/build.sh b/build.sh
index ad86111..d7ff90b 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 function announce () {
 	echo '############################' $* >&2