diff --git a/tcp_tests/templates/cookied-mcp-pike-dvr-ceph/underlay.yaml b/tcp_tests/templates/cookied-mcp-pike-dvr-ceph/underlay.yaml
index 42df6a5..621d9b4 100644
--- a/tcp_tests/templates/cookied-mcp-pike-dvr-ceph/underlay.yaml
+++ b/tcp_tests/templates/cookied-mcp-pike-dvr-ceph/underlay.yaml
@@ -12,7 +12,7 @@
  - &cloudinit_user_data_1604 {{ CLOUDINIT_USER_DATA_1604 }}
 
 {% set LAB_CONFIG_NAME = os_env('LAB_CONFIG_NAME', 'cookied-mcp-pike-dvr-ceph') %}
-{% set DOMAIN_NAME = os_env('DOMAIN_NAME', LAB_CONFIG_NAME) + '.local' %}
+{% set DOMAIN_NAME = os_env('DOMAIN_NAME', LAB_CONFIG_NAME + '.local') %}
 {% set HOSTNAME_CFG01 = os_env('HOSTNAME_CFG01', 'cfg01.' + DOMAIN_NAME) %}
 {% set HOSTNAME_CTL01 = os_env('HOSTNAME_CTL01', 'ctl01.' + DOMAIN_NAME) %}
 {% set HOSTNAME_CTL02 = os_env('HOSTNAME_CTL02', 'ctl02.' + DOMAIN_NAME) %}
diff --git a/tcp_tests/templates/cookied-mcp-queens-dvr-ceph/underlay.yaml b/tcp_tests/templates/cookied-mcp-queens-dvr-ceph/underlay.yaml
index 39b6c0a..c898837 100644
--- a/tcp_tests/templates/cookied-mcp-queens-dvr-ceph/underlay.yaml
+++ b/tcp_tests/templates/cookied-mcp-queens-dvr-ceph/underlay.yaml
@@ -12,7 +12,7 @@
  - &cloudinit_user_data_1604 {{ CLOUDINIT_USER_DATA_1604 }}
 
 {% set LAB_CONFIG_NAME = os_env('LAB_CONFIG_NAME', 'cookied-mcp-queens-dvr-ceph') %}
-{% set DOMAIN_NAME = os_env('DOMAIN_NAME', LAB_CONFIG_NAME) + '.local' %}
+{% set DOMAIN_NAME = os_env('DOMAIN_NAME', LAB_CONFIG_NAME + '.local') %}
 {% set HOSTNAME_CFG01 = os_env('HOSTNAME_CFG01', 'cfg01.' + DOMAIN_NAME) %}
 {% set HOSTNAME_CTL01 = os_env('HOSTNAME_CTL01', 'ctl01.' + DOMAIN_NAME) %}
 {% set HOSTNAME_CTL02 = os_env('HOSTNAME_CTL02', 'ctl02.' + DOMAIN_NAME) %}