diff --git a/pkg/controller/statefulset/stateful_set_control_test.go b/pkg/controller/statefulset/stateful_set_control_test.go
index f018646d3af..08af86bedc4 100644
--- a/pkg/controller/statefulset/stateful_set_control_test.go
+++ b/pkg/controller/statefulset/stateful_set_control_test.go
@@ -2933,6 +2933,7 @@ func TestParallelScale(t *testing.T) {
 	} {
 		t.Run(tc.desc, func(t *testing.T) {
 			set := burst(newStatefulSet(0))
+			set.Spec.VolumeClaimTemplates[0].ObjectMeta.Labels = map[string]string{"test": "test"}
 			parallelScale(t, set, tc.replicas, tc.desiredReplicas, assertBurstInvariants)
 		})
 	}
diff --git a/pkg/controller/statefulset/stateful_set_utils.go b/pkg/controller/statefulset/stateful_set_utils.go
index 6898aabe56e..5a80f368386 100644
--- a/pkg/controller/statefulset/stateful_set_utils.go
+++ b/pkg/controller/statefulset/stateful_set_utils.go
@@ -339,8 +339,8 @@ func getPersistentVolumeClaims(set *apps.StatefulSet, pod *v1.Pod) map[string]v1
 	templates := set.Spec.VolumeClaimTemplates
 	claims := make(map[string]v1.PersistentVolumeClaim, len(templates))
 	for i := range templates {
-		claim := templates[i]
-		claim.Name = getPersistentVolumeClaimName(set, &claim, ordinal)
+		claim := templates[i].DeepCopy()
+		claim.Name = getPersistentVolumeClaimName(set, claim, ordinal)
 		claim.Namespace = set.Namespace
 		if claim.Labels != nil {
 			for key, value := range set.Spec.Selector.MatchLabels {
@@ -349,7 +349,7 @@ func getPersistentVolumeClaims(set *apps.StatefulSet, pod *v1.Pod) map[string]v1
 		} else {
 			claim.Labels = set.Spec.Selector.MatchLabels
 		}
-		claims[templates[i].Name] = claim
+		claims[templates[i].Name] = *claim
 	}
 	return claims
 }