diff --git a/ansible/roles/nova/tasks/deploy.yml b/ansible/roles/nova/tasks/deploy.yml
index 1a246a407b..0e4015136b 100644
--- a/ansible/roles/nova/tasks/deploy.yml
+++ b/ansible/roles/nova/tasks/deploy.yml
@@ -10,7 +10,7 @@
         inventory_hostname in groups['nova-novncproxy'] or
         inventory_hostname in groups['nova-scheduler']
 
-- include: external-ceph.yml
+- include: external_ceph.yml
   when:
     - not enable_ceph | bool and nova_backend == "rbd"
     - inventory_hostname in groups['compute']
diff --git a/ansible/roles/nova/tasks/external-ceph.yml b/ansible/roles/nova/tasks/external_ceph.yml
similarity index 100%
rename from ansible/roles/nova/tasks/external-ceph.yml
rename to ansible/roles/nova/tasks/external_ceph.yml