diff --git a/tests/p_busybox/00_install_busybox.sh b/tests/p_busybox/00_install_busybox.sh
index b2cae54..eae5d28 100755
--- a/tests/p_busybox/00_install_busybox.sh
+++ b/tests/p_busybox/00_install_busybox.sh
@@ -1,5 +1,8 @@
-#!/bin/sh
+#!/bin/bash
 # Author: Christoph Galuschka <christoph.galuschka@chello.at>
+# Author: Rene Diepstraten <rene@renediepstraten.nl>
+
+[[ $centos_ver -ge 7 ]] && { t_Log "busybox is not part of el${centos_ver}" ; exit ; }
 
 t_Log "Running $0 - attempting to install busybox."
 t_InstallPackage busybox
diff --git a/tests/p_busybox/10_test_busybox.sh b/tests/p_busybox/10_test_busybox.sh
index 6e59516..e7aa2e8 100755
--- a/tests/p_busybox/10_test_busybox.sh
+++ b/tests/p_busybox/10_test_busybox.sh
@@ -1,6 +1,9 @@
-#!/bin/sh
+#!/bin/bash
 # Author: Athmane Madjoudj <athmanem@gmail.com>
 # Author: Christoph Galuschka <christoph.galuschka@chello.at>
+# Author: Rene Diepstraten <rene@renediepstraten.nl>
+
+[[ $centos_ver -ge 7 ]] && exit
 
 t_Log "Running $0 - busybox test: busybox lists available functions."
 
diff --git a/tests/p_busybox/20_functiontest_busybox.sh b/tests/p_busybox/20_functiontest_busybox.sh
index 171b1de..6d526a4 100755
--- a/tests/p_busybox/20_functiontest_busybox.sh
+++ b/tests/p_busybox/20_functiontest_busybox.sh
@@ -1,6 +1,9 @@
-#!/bin/sh
+#!/bin/bash
 # Author: Athmane Madjoudj <athmanem@gmail.com>
 # Author: Christoph Galuschka <christoph.galuschka@chello.at>
+# Author: Rene Diepstraten <rene@renediepstraten.nl>
+
+[[ $centos_ver -ge 7 ]] && exit
 
 t_Log "Running $0 - busybox functional tests: busybox provided functions are working."