diff --git a/credentials.sample.yml b/credentials.sample.yml
index b34f7b7..a3517a3 100644
--- a/credentials.sample.yml
+++ b/credentials.sample.yml
@@ -11,6 +11,7 @@ env_name: pks
 availability_zones: '["ap-northeast-1a", "ap-northeast-1c", "ap-northeast-1d"]'
 dns_suffix: example.com
 ops_manager_instance_type: t2.medium
+hosted_zone: ""
 
 opsman_domain_or_ip_address: pcf.dmpks.ik.am
 ops_mgr_usr: changeme