diff --git a/metadata/service/pool/single.yml b/metadata/service/pool/single.yml
index e5826c3..4e7a736 100644
--- a/metadata/service/pool/single.yml
+++ b/metadata/service/pool/single.yml
@@ -13,6 +13,7 @@
         name: ${linux:system:name}
       apiserver:
         host: ${_param:master_address}
+        port: 443
         insecure:
           enabled: True
         members: