diff --git a/infrastructure-playbooks/switch-from-non-containerized-to-containerized-ceph-daemons.yml b/infrastructure-playbooks/switch-from-non-containerized-to-containerized-ceph-daemons.yml
index 415519d1f..a73054871 100644
--- a/infrastructure-playbooks/switch-from-non-containerized-to-containerized-ceph-daemons.yml
+++ b/infrastructure-playbooks/switch-from-non-containerized-to-containerized-ceph-daemons.yml
@@ -155,7 +155,7 @@
 
   - name: waiting for the monitor to join the quorum...
     shell: |
-      ceph -s  --cluster {{ cluster }} | grep monmap | sed 's/.*quorum//' | egrep -sq {{ ansible_hostname }}
+      ceph -s  --cluster {{ cluster|default('ceph') }} | grep monmap | sed 's/.*quorum//' | egrep -sq {{ ansible_hostname }}
     register: result
     until: result.rc == 0
     retries: 5