diff --git a/inventory/group_vars/osbs-masters-stg b/inventory/group_vars/osbs-masters-stg
index 55b36ffb81..3421b3ed3c 100644
--- a/inventory/group_vars/osbs-masters-stg
+++ b/inventory/group_vars/osbs-masters-stg
@@ -33,8 +33,8 @@ osbs_orchestrator_cpu_limitrange: "95m"
 osbs_orchestrator_default_nodeselector: "orchestrator=true"
 
 osbs_conf_readwrite_users:
-  - default
-  - builder
+  - "system:serviceaccount:{{ osbs_namespace }}:default"
+  - "system:serviceaccount:{{ osbs_namespace }}:builder"
 
 nagios_Check_Services:
   nrpe: true