diff --git a/target/linux/layerscape/image/gen_sdcard_head_img.sh b/target/linux/layerscape/image/gen_sdcard_head_img.sh
index c7ecbb6883..08ab4497d5 100755
--- a/target/linux/layerscape/image/gen_sdcard_head_img.sh
+++ b/target/linux/layerscape/image/gen_sdcard_head_img.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 #
 # Copyright 2018 NXP
 #