diff --git a/nova/files/ocata/nova-controller.conf.Debian b/nova/files/ocata/nova-controller.conf.Debian
index eb23112..e6f2f4c 100644
--- a/nova/files/ocata/nova-controller.conf.Debian
+++ b/nova/files/ocata/nova-controller.conf.Debian
@@ -8244,7 +8244,7 @@
 username = {{ controller.identity.user }}
 password = {{ controller.identity.password }}
 auth_url=http://{{ controller.identity.host }}:35357/v3
-interface = internal
+os_interface = internal
 
 #
 # Endpoint interface for this node. This is used when picking the URL in the