diff --git a/api/v1beta1/oscmachinetemplate_webhook_test.go b/api/v1beta1/oscmachinetemplate_webhook_test.go
index 382c2bda3..f839e498f 100644
--- a/api/v1beta1/oscmachinetemplate_webhook_test.go
+++ b/api/v1beta1/oscmachinetemplate_webhook_test.go
@@ -320,7 +320,7 @@ func TestOscMachineTemplate_ValidateUpdate(t *testing.T) {
 					},
 				},
 			},
-			expValidateUpdateErr: fmt.Errorf("OscMachineTemplate.infrastructure.cluster.x-k8s.io \"webhook-test\" is invalid: OscMachineTemplate.spec.template.spec: Invalid value: v1beta1.OscMachineTemplate{TypeMeta:v1.TypeMeta{Kind:\"\", APIVersion:\"\"}, ObjectMeta:v1.ObjectMeta{Name:\"webhook-test\", GenerateName:\"\", Namespace:\"default\", SelfLink:\"\", UID:\"\", ResourceVersion:\"\", Generation:0, CreationTimestamp:time.Date(1, time.January, 1, 0, 0, 0, 0, time.UTC), DeletionTimestamp:<nil>, DeletionGracePeriodSeconds:(*int64)(nil), Labels:map[string]string(nil), Annotations:map[string]string(nil), OwnerReferences:[]v1.OwnerReference(nil), Finalizers:[]string(nil), ManagedFields:[]v1.ManagedFieldsEntry(nil)}, Spec:v1beta1.OscMachineTemplateSpec{Template:v1beta1.OscMachineTemplateResource{ObjectMeta:v1beta1.ObjectMeta{Labels:map[string]string(nil), Annotations:map[string]string(nil)}, Spec:v1beta1.OscMachineSpec{ProviderID:(*string)(nil), Node:v1beta1.OscNode{Vm:v1beta1.OscVm{Name:\"\", ImageId:\"ami-00000000\", KeypairName:\"test-webhook-2\", VmType:\"tinav3.c2r4p2\", VolumeName:\"\", VolumeDeviceName:\"\", DeviceName:\"/dev/xvda\", SubnetName:\"\", RootDisk:v1beta1.OscRootDisk{RootDiskIops:0, RootDiskSize:0, RootDiskType:\"\"}, LoadBalancerName:\"\", PublicIpName:\"\", SubregionName:\"\", PrivateIps:[]v1beta1.OscPrivateIpElement(nil), SecurityGroupNames:[]v1beta1.OscSecurityGroupElement(nil), ResourceId:\"\", Role:\"\", ClusterName:\"\", Replica:0}, Image:v1beta1.OscImage{Name:\"\", ResourceId:\"\"}, Volumes:[]*v1beta1.OscVolume(nil), KeyPair:v1beta1.OscKeypair{Name:\"\", PublicKey:\"\", ResourceId:\"\", ClusterName:\"\", DeleteKeypair:false}, ClusterName:\"\"}}}}, Status:v1beta1.OscMachineTemplateStatus{Capacity:v1.ResourceList(nil), Conditions:v1beta1.Conditions(nil)}}: OscMachineTemplate spec.template.spec field is immutable."),
+			expValidateUpdateErr: fmt.Errorf("OscMachineTemplate.infrastructure.cluster.x-k8s.io \"webhook-test\" is invalid: OscMachineTemplate.spec.template.spec: Invalid value: v1beta1.OscMachineTemplate{TypeMeta:v1.TypeMeta{Kind:\"\", APIVersion:\"\"}, ObjectMeta:v1.ObjectMeta{Name:\"webhook-test\", GenerateName:\"\", Namespace:\"default\", SelfLink:\"\", UID:\"\", ResourceVersion:\"\", Generation:0, CreationTimestamp:time.Date(1, time.January, 1, 0, 0, 0, 0, time.UTC), DeletionTimestamp:<nil>, DeletionGracePeriodSeconds:(*int64)(nil), Labels:map[string]string(nil), Annotations:map[string]string(nil), OwnerReferences:[]v1.OwnerReference(nil), Finalizers:[]string(nil), ManagedFields:[]v1.ManagedFieldsEntry(nil)}, Spec:v1beta1.OscMachineTemplateSpec{Template:v1beta1.OscMachineTemplateResource{ObjectMeta:v1beta1.ObjectMeta{Labels:map[string]string(nil), Annotations:map[string]string(nil)}, Spec:v1beta1.OscMachineSpec{ProviderID:(*string)(nil), Node:v1beta1.OscNode{Vm:v1beta1.OscVm{Name:\"\", ImageId:\"ami-00000000\", KeypairName:\"test-webhook-2\", VmType:\"tinav3.c2r4p2\", VolumeName:\"\", VolumeDeviceName:\"\", DeviceName:\"/dev/xvda\", SubnetName:\"\", RootDisk:v1beta1.OscRootDisk{RootDiskIops:0, RootDiskSize:0, RootDiskType:\"\"}, LoadBalancerName:\"\", PublicIpName:\"\", PublicIp:false, SubregionName:\"\", PrivateIps:[]v1beta1.OscPrivateIpElement(nil), SecurityGroupNames:[]v1beta1.OscSecurityGroupElement(nil), ResourceId:\"\", Role:\"\", ClusterName:\"\", Replica:0}, Image:v1beta1.OscImage{Name:\"\", ResourceId:\"\"}, Volumes:[]*v1beta1.OscVolume(nil), KeyPair:v1beta1.OscKeypair{Name:\"\", PublicKey:\"\", ResourceId:\"\", ClusterName:\"\", DeleteKeypair:false}, ClusterName:\"\"}}}}, Status:v1beta1.OscMachineTemplateStatus{Capacity:v1.ResourceList(nil), Conditions:v1beta1.Conditions(nil)}}: OscMachineTemplate spec.template.spec field is immutable."),
 		},
 	}
 	for _, mtc := range machineTestCases {