diff --git a/target/linux/archs38/image/gen_axs10x_sdcard_img.sh b/target/linux/archs38/image/gen_axs10x_sdcard_img.sh
index 3cbd2caceb..87c2bba92c 100755
--- a/target/linux/archs38/image/gen_axs10x_sdcard_img.sh
+++ b/target/linux/archs38/image/gen_axs10x_sdcard_img.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 #
 # Copyright (C) 2016 OpenWrt.org