diff --git a/purge-cluster.yml b/purge-cluster.yml
index 496afec28..ee68d5c71 100644
--- a/purge-cluster.yml
+++ b/purge-cluster.yml
@@ -96,6 +96,7 @@
     fail:
       msg: "OSD automatic discovery was detected, purge cluster does not support this scenario. If you want to purge the cluster, manually provide the list of devices in group_vars/osds using the devices variable."
     when:
+      osd_group_name in group_names and
       devices is not defined and
       osd_auto_discovery