diff --git a/modules/k8s.nix b/modules/k8s.nix
index 3702228..42c4744 100644
--- a/modules/k8s.nix
+++ b/modules/k8s.nix
@@ -187,7 +187,7 @@ let
     services.kubernetes = {
       roles = [ "master" ];
       inherit apiserverAddress;
-      masterAddress = cfg.k8s.master.name;
+      masterAddress = "${cfg.k8s.master.name}.${cfg.domain}";
       clusterCidr = cfg.k8s.cidr;
       pki.genCfsslCACert = false;
       pki.genCfsslAPIToken = false;
@@ -276,7 +276,8 @@ let
     services.kubernetes = rec {
       roles = [ "node" ];
       inherit apiserverAddress;
-      masterAddress = cfg.k8s.master.name;
+      # masterAddress = cfg.k8s.master.name;
+      masterAddress = "${cfg.k8s.master.name}.${cfg.domain}";
       clusterCidr = cfg.k8s.cidr;
       # kubelet.clusterDomain = "${cfg.clusterName}.local";
     };