diff --git a/infrastructure-playbooks/rolling_update.yml b/infrastructure-playbooks/rolling_update.yml
index 4b2b58550..ceeb71e2d 100644
--- a/infrastructure-playbooks/rolling_update.yml
+++ b/infrastructure-playbooks/rolling_update.yml
@@ -188,7 +188,7 @@
         caps:
           mon: "allow profile {{ item.0 }}"
         cluster: "{{ cluster }}"
-        containerized: "{{ 'docker exec ceph-mon-' + hostvars[groups[mon_host]]['ansible_hostname'] if containerized_deployment else None }}"
+        containerized: "{{ 'docker exec ceph-mon-' + hostvars[mon_host]['ansible_hostname'] if containerized_deployment else None }}"
       when:
         - cephx
       delegate_to: "{{ mon_host }}"