diff --git a/salt/minion/cert/k8s_server.yml b/salt/minion/cert/k8s_server.yml
index d9b1da6..e340b52 100644
--- a/salt/minion/cert/k8s_server.yml
+++ b/salt/minion/cert/k8s_server.yml
@@ -10,4 +10,4 @@
           cert_file: /srv/salt/env/${_param:salt_master_base_environment}/_certs/kubernetes/kubernetes-server.crt
           all_file: /srv/salt/env/${_param:salt_master_base_environment}/_certs/kubernetes/kubernetes-server.pem
           signing_policy: cert_server
-          alternative_names: IP:${_param:cluster_vip_address},IP:${_param:cluster_node01_address},IP:${_param:cluster_node02_address},IP:${_param:cluster_node03_address},IP:${_param:kubernetes_internal_api_address}
+          alternative_names: IP:${_param:cluster_vip_address},IP:${_param:cluster_node01_address},IP:${_param:cluster_node02_address},IP:${_param:cluster_node03_address},IP:${_param:kubernetes_internal_api_address},DNS:kubernetes.default