diff --git a/roles/kubernetes/secrets/tasks/gen_certs_vault.yml b/roles/kubernetes/secrets/tasks/gen_certs_vault.yml
index 136ef3ffe..8a847b002 100644
--- a/roles/kubernetes/secrets/tasks/gen_certs_vault.yml
+++ b/roles/kubernetes/secrets/tasks/gen_certs_vault.yml
@@ -25,7 +25,7 @@
     kube_cert_alt_names: >-
       {{
       groups['kube-master'] +
-      ['kubernetes.default.svc.cluster.local', 'kubernetes.default.svc', 'kubernetes.default', 'kubernetes'] +
+      ['kubernetes.default.svc.'+cluster_name, 'kubernetes.default.svc', 'kubernetes.default', 'kubernetes'] +
       ['localhost']
       }}
   run_once: true