diff --git a/pkg/registry/core/persistentvolume/strategy.go b/pkg/registry/core/persistentvolume/strategy.go
index d33a3f0a925..515a9b76869 100644
--- a/pkg/registry/core/persistentvolume/strategy.go
+++ b/pkg/registry/core/persistentvolume/strategy.go
@@ -71,7 +71,7 @@ func (persistentvolumeStrategy) PrepareForCreate(ctx context.Context, obj runtim
 
 	if utilfeature.DefaultFeatureGate.Enabled(features.PersistentVolumeLastPhaseTransitionTime) {
 		pv.Status.Phase = api.VolumePending
-		now := nowFunc()
+		now := NowFunc()
 		pv.Status.LastPhaseTransitionTime = &now
 	}
 
@@ -143,7 +143,7 @@ func (persistentvolumeStatusStrategy) GetResetFields() map[fieldpath.APIVersion]
 	return fields
 }
 
-var nowFunc = metav1.Now
+var NowFunc = metav1.Now
 
 // PrepareForUpdate sets the Spec field which is not allowed to be changed when updating a PV's Status
 func (persistentvolumeStatusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
@@ -159,7 +159,7 @@ func (persistentvolumeStatusStrategy) PrepareForUpdate(ctx context.Context, obj,
 
 		case oldPv.Status.Phase != newPv.Status.Phase && (newPv.Status.LastPhaseTransitionTime == nil || newPv.Status.LastPhaseTransitionTime.Equal(oldPv.Status.LastPhaseTransitionTime)):
 			// phase changed and client didn't set or didn't change the transition time
-			now := nowFunc()
+			now := NowFunc()
 			newPv.Status.LastPhaseTransitionTime = &now
 		}
 	}
diff --git a/pkg/registry/core/persistentvolume/strategy_test.go b/pkg/registry/core/persistentvolume/strategy_test.go
index e7d9794b5fe..c5ca9d07110 100644
--- a/pkg/registry/core/persistentvolume/strategy_test.go
+++ b/pkg/registry/core/persistentvolume/strategy_test.go
@@ -46,9 +46,9 @@ func TestStatusUpdate(t *testing.T) {
 	now := metav1.Now()
 	origin := metav1.NewTime(now.Add(time.Hour))
 	later := metav1.NewTime(now.Add(time.Hour * 2))
-	nowFunc = func() metav1.Time { return now }
+	NowFunc = func() metav1.Time { return now }
 	defer func() {
-		nowFunc = metav1.Now
+		NowFunc = metav1.Now
 	}()
 	tests := []struct {
 		name        string
@@ -376,9 +376,9 @@ func TestStatusUpdate(t *testing.T) {
 
 func TestStatusCreate(t *testing.T) {
 	now := metav1.Now()
-	nowFunc = func() metav1.Time { return now }
+	NowFunc = func() metav1.Time { return now }
 	defer func() {
-		nowFunc = metav1.Now
+		NowFunc = metav1.Now
 	}()
 	tests := []struct {
 		name        string