diff --git a/inventory/group_vars/osbs-masters-stg b/inventory/group_vars/osbs-masters-stg
index 7f17ef3499..2f201aff87 100644
--- a/inventory/group_vars/osbs-masters-stg
+++ b/inventory/group_vars/osbs-masters-stg
@@ -40,8 +40,8 @@ osbs_conf_service_accounts:
   - koji
 
 osbs_conf_readwrite_users:
-  - system:serviceaccount:{{ osbs_namespace }}:default
-  - system:serviceaccount:{{ osbs_namespace }}:builder
+  - "system:serviceaccount:{{ osbs_namespace }}:default"
+  - "system:serviceaccount:{{ osbs_namespace }}:builder"
 
 
 osbs_worker_clusters: