diff --git a/playbooks/init/cluster_facts.yml b/playbooks/init/cluster_facts.yml
index 057bb7e8d50..bac82314528 100644
--- a/playbooks/init/cluster_facts.yml
+++ b/playbooks/init/cluster_facts.yml
@@ -42,7 +42,7 @@
   - name: Gather Master facts
     include_role:
       name: openshift_master_facts
-    when: inventory_hostname in groups['oo_masters']
+    when: inventory_hostname in groups['oo_masters'] | default ([])
 
   - name: Set fact of no_proxy_internal_hostnames
     openshift_facts: