diff --git a/nova/files/ocata/nova-compute.conf.Debian b/nova/files/ocata/nova-compute.conf.Debian
index 7039384..4cfc6af 100644
--- a/nova/files/ocata/nova-compute.conf.Debian
+++ b/nova/files/ocata/nova-compute.conf.Debian
@@ -8234,6 +8234,7 @@
 username = {{ compute.identity.user }}
 password = {{ compute.identity.password }}
 auth_url=http://{{ compute.identity.host }}:35357/v3
+interface = internal
 
 #
 # Region name of this node. This is used when picking the URL in the service
diff --git a/nova/files/ocata/nova-controller.conf.Debian b/nova/files/ocata/nova-controller.conf.Debian
index a2add91..eb23112 100644
--- a/nova/files/ocata/nova-controller.conf.Debian
+++ b/nova/files/ocata/nova-controller.conf.Debian
@@ -8244,6 +8244,7 @@
 username = {{ controller.identity.user }}
 password = {{ controller.identity.password }}
 auth_url=http://{{ controller.identity.host }}:35357/v3
+interface = internal
 
 #
 # Endpoint interface for this node. This is used when picking the URL in the