diff --git a/cmd/kubeadm/app/cmd/join.go b/cmd/kubeadm/app/cmd/join.go
index 6ae7eabf93..54548e66b3 100644
--- a/cmd/kubeadm/app/cmd/join.go
+++ b/cmd/kubeadm/app/cmd/join.go
@@ -316,7 +316,7 @@ func NewJoin(cfgPath string, defaultcfg *kubeadmapiv1beta1.JoinConfiguration, ig
 		internalCfg.NodeRegistration.CRISocket = defaultcfg.NodeRegistration.CRISocket
 	}
 
-	if defaultcfg.ControlPlane != nil {
+	if internalCfg.ControlPlane != nil {
 		if err := configutil.VerifyAPIServerBindAddress(internalCfg.ControlPlane.LocalAPIEndpoint.AdvertiseAddress); err != nil {
 			return nil, err
 		}