diff --git a/tests/templates/globals-default.j2 b/tests/templates/globals-default.j2
index 6d3501e6e4..8c5cb8ab84 100644
--- a/tests/templates/globals-default.j2
+++ b/tests/templates/globals-default.j2
@@ -178,6 +178,7 @@ enable_octavia: "yes"
 octavia_provider_drivers: "ovn:OVN provider"
 octavia_provider_agents: "ovn"
 enable_redis: "yes"
+neutron_dns_domain: "example.org."
 {% endif %}
 
 {% if scenario == "prometheus-opensearch" %}