diff --git a/metadata/service/master/cluster.yml b/metadata/service/master/cluster.yml
index f68e5ff..fceafb9 100644
--- a/metadata/service/master/cluster.yml
+++ b/metadata/service/master/cluster.yml
@@ -8,7 +8,8 @@
     master:
       enabled: true
       version: ${_param:kubernetes_version}
-      registry: tcpcloud
+      registry:
+        host: tcpcloud
       service_addresses: 10.254.0.0/16
       admin:
         username: ${_param:kubernetes_admin_user}