diff --git a/roles/ceph-mon/tasks/docker/fetch_configs.yml b/roles/ceph-mon/tasks/docker/fetch_configs.yml
index 5b8df68ff..a96f34c88 100644
--- a/roles/ceph-mon/tasks/docker/fetch_configs.yml
+++ b/roles/ceph-mon/tasks/docker/fetch_configs.yml
@@ -13,7 +13,7 @@
 - name: add mgr keys to config and keys paths
   set_fact:
     tmp_ceph_mgr_keys: /etc/ceph/{{ cluster }}.mgr.{{ hostvars[item]['ansible_hostname'] }}.keyring
-  with_items: "{{ groups[mgr_group_name] }}"
+  with_items: "{{ groups.get(mgr_group_name, []) }}"
   register: tmp_ceph_mgr_keys_result
   when: "{{ groups.get(mgr_group_name, []) | length > 0 }}"