diff --git a/qemu/bin/pathof b/qemu/bin/pathof
index 470a66a..f0703e6 100755
--- a/qemu/bin/pathof
+++ b/qemu/bin/pathof
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/usr/bin/env sh
+set -e
 
 # Invoked on termination if the last command failed
 error() { >&2 echo "$(basename "$0"): ${*}"; }