diff --git a/ansible/roles/heat/tasks/bootstrap_service.yml b/ansible/roles/heat/tasks/bootstrap_service.yml
index d2ee80f67b..82d367079b 100644
--- a/ansible/roles/heat/tasks/bootstrap_service.yml
+++ b/ansible/roles/heat/tasks/bootstrap_service.yml
@@ -15,6 +15,7 @@
       OS_USERNAME: "{{ openstack_auth.username }}"
       OS_PASSWORD: "{{ openstack_auth.password }}"
       OS_PROJECT_NAME: "{{ openstack_auth.project_name }}"
+      OS_REGION_NAME: "{{ openstack_region_name }}"
       HEAT_DOMAIN_ADMIN_PASSWORD: "{{ heat_domain_admin_password }}"
     image: "{{ heat_api.image }}"
     labels: