diff --git a/pkg/karmadactl/join.go b/pkg/karmadactl/join.go
index 9a540790d..bddeb55cb 100644
--- a/pkg/karmadactl/join.go
+++ b/pkg/karmadactl/join.go
@@ -160,11 +160,6 @@ func JoinCluster(controlPlaneRestConfig, clusterConfig *rest.Config, opts Comman
 
 	klog.V(1).Infof("joining cluster config. endpoint: %s", clusterConfig.Host)
 
-	// ensure namespace where the cluster object be stored exists in control plane.
-	if _, err = util.EnsureNamespaceExist(controlPlaneKubeClient, opts.ClusterNamespace, opts.DryRun); err != nil {
-		return err
-	}
-
 	registerOption := util.ClusterRegisterOption{
 		ClusterNamespace:   opts.ClusterNamespace,
 		ClusterName:        opts.ClusterName,
diff --git a/pkg/util/credential.go b/pkg/util/credential.go
index bad114a64..7659c5749 100644
--- a/pkg/util/credential.go
+++ b/pkg/util/credential.go
@@ -98,6 +98,11 @@ func ObtainCredentialsFromMemberCluster(clusterKubeClient kubeclient.Interface,
 
 // RegisterClusterInControllerPlane represents register cluster in controller plane
 func RegisterClusterInControllerPlane(opts ClusterRegisterOption, controlPlaneKubeClient kubeclient.Interface, generateClusterInControllerPlane generateClusterInControllerPlaneFunc) error {
+	// ensure namespace where the cluster object be stored exists in control plane.
+	if _, err := EnsureNamespaceExist(controlPlaneKubeClient, opts.ClusterNamespace, opts.DryRun); err != nil {
+		return err
+	}
+
 	impersonatorSecret := &corev1.Secret{}
 	secret := &corev1.Secret{}
 	var err error