diff --git a/roles/ceph-common/tasks/installs/prerequisite_rhcs_cdn_install.yml b/roles/ceph-common/tasks/installs/prerequisite_rhcs_cdn_install.yml
index cc8f37159d..f27d67bb53 100644
--- a/roles/ceph-common/tasks/installs/prerequisite_rhcs_cdn_install.yml
+++ b/roles/ceph-common/tasks/installs/prerequisite_rhcs_cdn_install.yml
@@ -4,7 +4,7 @@
     name: "rhceph-{{ ceph_rhcs_version }}-tools-for-rhel-8-{{ ansible_facts['architecture'] }}-rpms"
   when:
     - mon_group_name in group_names
-      of osd_group_name in group_names
+      or osd_group_name in group_names
       or mgr_group_name in group_names
       or rgw_group_name in group_names
       or mds_group_name in group_names