diff --git a/test_build.sh b/test_build.sh
index 0e43cd353..8f11ccdd4 100755
--- a/test_build.sh
+++ b/test_build.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 set -e
 
 make CONFIG_EVERYTHING=yes WARNERROR=yes