diff --git a/playbooks/openshift-apps/ipsilon.yml b/playbooks/openshift-apps/ipsilon.yml
index b5b4d8e84a..4ce1edbbc1 100644
--- a/playbooks/openshift-apps/ipsilon.yml
+++ b/playbooks/openshift-apps/ipsilon.yml
@@ -1,5 +1,5 @@
 - name: make the app be real
-  hosts: os-masters[0]:os-masters-stg[0]
+  hosts: os_masters[0]:os-masters_stg[0]
   user: root
   gather_facts: False