diff --git a/recipes-support/arduino-ootb/arduino-ootb/disable-adb b/recipes-support/arduino-ootb/arduino-ootb/disable-adb
index 10a424a..0447799 100755
--- a/recipes-support/arduino-ootb/arduino-ootb/disable-adb
+++ b/recipes-support/arduino-ootb/arduino-ootb/disable-adb
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 if [ "$1" != "-y" ]; then
     echo "Usage: $0 -y"
diff --git a/recipes-support/arduino-ootb/arduino-ootb/disable-ssh b/recipes-support/arduino-ootb/arduino-ootb/disable-ssh
index 1ab929c..afc4311 100755
--- a/recipes-support/arduino-ootb/arduino-ootb/disable-ssh
+++ b/recipes-support/arduino-ootb/arduino-ootb/disable-ssh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 if [ "$1" != "-y" ]; then
     echo "Usage: $0 -y"