diff --git a/target/linux/brcm2708/image/gen_rpi_sdcard_img.sh b/target/linux/brcm2708/image/gen_rpi_sdcard_img.sh
index 60b66c3724..c8140ec3d6 100755
--- a/target/linux/brcm2708/image/gen_rpi_sdcard_img.sh
+++ b/target/linux/brcm2708/image/gen_rpi_sdcard_img.sh
@@ -1,6 +1,6 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
-set -x 
+set -x
 [ $# -eq 5 ] || {
     echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
     exit 1
@@ -24,6 +24,3 @@ ROOTFSSIZE="$(($4 / 512))"
 
 dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
 dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
-
-
-