diff --git boot-deploy boot-deploy
index df0c7b9..4f2ecfc 100755
--- a/boot-deploy
+++ b/boot-deploy
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/busybox sh
 # Copyright 2021 Clayton Craft <clayton@craftyguy.net>
 # SPDX-License-Identifier: GPL-3.0-or-later
 set -eu
diff --git boot-deploy-functions.sh boot-deploy-functions.sh
index fb50e61..32de0ef 100644
--- a/boot-deploy-functions.sh
+++ b/boot-deploy-functions.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/busybox sh
 # Copyright 2021 postmarketOS Contributors
 # Copyright 2021 Clayton Craft <clayton@craftyguy.net>
 # SPDX-License-Identifier: GPL-3.0-or-later