--- pkg/controller/podautoscaler/horizontal_test.go
+++ pkg/controller/podautoscaler/horizontal_test.go
@@ -306,7 +307,7 @@ func (tc *testCase) prepareTestClient(t *testing.T) *fake.Clientset {
 						Name:      fmt.Sprintf("%s-%d", podNamePrefix, i),
 						Namespace: namespace,
 					},
-					Timestamp: metav1.Time{Time: time.Now()},
+					Timestamp: unversioned.Time{Time: time.Now()},
 					Containers: []metrics_api.ContainerMetrics{
 						{
 							Name: "container",