diff --git a/docker/heat/heat-api/extend_start.sh b/docker/heat/heat-api/extend_start.sh
index 5702922e86..59c7a3ab77 100644
--- a/docker/heat/heat-api/extend_start.sh
+++ b/docker/heat/heat-api/extend_start.sh
@@ -9,7 +9,7 @@ if [[ "${!KOLLA_BOOTSTRAP[@]}" ]]; then
     if [[ "heat_user_domain" != "$CURRENT_HEAT_DOMAIN_NAME" ]]; then
         openstack domain create heat_user_domain
         openstack user create --domain heat_user_domain heat_domain_admin --password ${HEAT_DOMAIN_ADMIN_PASSWORD}
-        openstack role add --domain heat_user_domain --user heat_domain_admin admin
+        openstack role add --domain heat_user_domain --user-domain heat_user_domain --user heat_domain_admin admin
         openstack role create heat_stack_owner
         openstack role create heat_stack_user
     fi