diff --git a/infrastructure-playbooks/cephadm-adopt.yml b/infrastructure-playbooks/cephadm-adopt.yml
index 8c5d3de89..755800d0d 100644
--- a/infrastructure-playbooks/cephadm-adopt.yml
+++ b/infrastructure-playbooks/cephadm-adopt.yml
@@ -594,7 +594,7 @@
         CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'
 
 - name: adopt ceph mgr daemons
-  hosts: "{{ groups[mgr_group_name] | default(groups[mon_group_name]) }}"
+  hosts: "{{ groups['mgrs'] | default(groups['mons']) | default(omit) }}"
   serial: 1
   become: true
   gather_facts: false