diff --git a/roles/kubernetes/control-plane/templates/k8s-certs-renew.sh.j2 b/roles/kubernetes/control-plane/templates/k8s-certs-renew.sh.j2
index 53bb825c67fccc62eb36cc8407dd5ea458e62e39..b2c7c770fe9e7aaec20533b4763445342925b6f9 100644
--- a/roles/kubernetes/control-plane/templates/k8s-certs-renew.sh.j2
+++ b/roles/kubernetes/control-plane/templates/k8s-certs-renew.sh.j2
@@ -17,7 +17,7 @@ echo "## Updating /root/.kube/config ##"
 cp {{ kube_config_dir }}/admin.conf /root/.kube/config
 
 echo "## Waiting for apiserver to be up again ##"
-until printf "" 2>>/dev/null >>/dev/tcp/127.0.0.1/6443; do sleep 1; done
+until printf "" 2>>/dev/null >>/dev/tcp/127.0.0.1/{{ kube_apiserver_port | default(6443) }}; do sleep 1; done
 
 echo "## Expiration after renewal ##"
 {{ bin_dir }}/kubeadm certs check-expiration