diff --git a/ansible/roles/ceilometer/templates/ceilometer.conf.j2 b/ansible/roles/ceilometer/templates/ceilometer.conf.j2
index 726571f28b..c32f3ec681 100644
--- a/ansible/roles/ceilometer/templates/ceilometer.conf.j2
+++ b/ansible/roles/ceilometer/templates/ceilometer.conf.j2
@@ -52,6 +52,7 @@ project_name = service
 project_domain_id = default
 user_domain_id = default
 auth_type = password
+interface = internal
 
 {% if ceilometer_database_type == 'gnocchi' %}
 [dispatcher_gnocchi]