diff --git a/openwrt/target/image/x86/gen_image.sh b/openwrt/target/image/x86/gen_image.sh
index 3edce1e406..95be6cc8ef 100755
--- a/openwrt/target/image/x86/gen_image.sh
+++ b/openwrt/target/image/x86/gen_image.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 # Copyright (C) 2006 OpenWrt.org
 
 [ $# == 5 ] || {