diff --git a/infrastructure-playbooks/rolling_update.yml b/infrastructure-playbooks/rolling_update.yml
index 01a873f58..405c714ff 100644
--- a/infrastructure-playbooks/rolling_update.yml
+++ b/infrastructure-playbooks/rolling_update.yml
@@ -277,7 +277,7 @@
 
     - name: reset mon_host fact
       set_fact:
-        mon_host: "{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }}"
+        mon_host: "{{ groups[mon_group_name][0] }}"
 
 
 - name: upgrade ceph mgr nodes when implicitly collocated on monitors