diff --git a/ansible/roles/nova-cell/tasks/discover_computes.yml b/ansible/roles/nova-cell/tasks/discover_computes.yml
index 7a65cbf9082294765d800ea0421db9443e7a087a..be1309f538f08c49bffe4ba9d1782542edf439aa 100644
--- a/ansible/roles/nova-cell/tasks/discover_computes.yml
+++ b/ansible/roles/nova-cell/tasks/discover_computes.yml
@@ -27,7 +27,7 @@
   become: true
   command: >
     docker exec kolla_toolbox openstack
-    --os-interface internal
+    --os-interface {{ openstack_interface }}
     --os-auth-url {{ keystone_admin_url }}
     --os-identity-api-version 3
     --os-project-domain-name {{ openstack_auth.domain_name }}