diff --git a/kubernetes/contrib/dns-server-for-vhost-ingress-testing/deploy_dns.sh b/kubernetes/contrib/dns-server-for-vhost-ingress-testing/deploy_dns.sh
index 7e9077d..3c66fee 100755
--- a/kubernetes/contrib/dns-server-for-vhost-ingress-testing/deploy_dns.sh
+++ b/kubernetes/contrib/dns-server-for-vhost-ingress-testing/deploy_dns.sh
@@ -1,4 +1,4 @@
-#!/bin/bash -e
+#!/bin/sh -e
 
 #   Copyright 2020 Samsung Electronics Co., Ltd.
 #
@@ -33,7 +33,8 @@
 }
 
 
-target_machine_notice_info() {
+target_machine_notice_info()
+{
 cat << ==infodeploy
 Extra DNS server already deployed:
 1. You can add the DNS server to the target machine using following commands: