diff --git a/tcp_tests/templates/virtual-mcp-ocata-cicd/underlay.yaml b/tcp_tests/templates/virtual-mcp-ocata-cicd/underlay.yaml
index c0147ef..0e5ff4f 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-cicd/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-cicd/underlay.yaml
@@ -14,7 +14,8 @@
  - &cloudinit_user_data_cicd {{ CLOUDINIT_USER_DATA_CICD }}
  - &cloudinit_user_data_openstack {{ CLOUDINIT_USER_DATA_OPENSTACK }}
 
-{% set DOMAIN_NAME = os_env('LAB_CONFIG_NAME', 'virtual-mcp-ocata-cicd') + '.local' %}
+{% set LAB_CONFIG_NAME = os_env('LAB_CONFIG_NAME', 'virtual-mcp-ocata-cicd') %}
+{% set DOMAIN_NAME = os_env('DOMAIN_NAME', LAB_CONFIG_NAME) + '.local' %}
 {% set HOSTNAME_CFG01 = os_env('HOSTNAME_CFG01', 'cfg01.' + DOMAIN_NAME) %}
 {% set HOSTNAME_CID01 = os_env('HOSTNAME_CID01', 'cid01.' + DOMAIN_NAME) %}
 {% set HOSTNAME_CID02 = os_env('HOSTNAME_CID02', 'cid02.' + DOMAIN_NAME) %}