diff --git a/pkg/storage/unified/apistore/store.go b/pkg/storage/unified/apistore/store.go
index d4911da167c..11a5cc3e5ea 100644
--- a/pkg/storage/unified/apistore/store.go
+++ b/pkg/storage/unified/apistore/store.go
@@ -465,7 +465,7 @@ func (s *Storage) GuaranteedUpdate(
 			return apierrors.NewNotFound(s.gr, req.Key.Name)
 		}
 
-		updatedObj, _, err = tryUpdate(existingObj, res)
+		updatedObj, _, err = tryUpdate(existingObj.DeepCopyObject(), res)
 		if err != nil {
 			if attempt >= MaxUpdateAttempts {
 				return err
diff --git a/pkg/storage/unified/apistore/store_test.go b/pkg/storage/unified/apistore/store_test.go
index 287aeea5c41..f0d648b9b5e 100644
--- a/pkg/storage/unified/apistore/store_test.go
+++ b/pkg/storage/unified/apistore/store_test.go
@@ -135,12 +135,12 @@ func TestDeleteWithSuggestion(t *testing.T) {
 	storagetesting.RunTestDeleteWithSuggestion(ctx, t, store)
 }
 
-//func TestDeleteWithSuggestionAndConflict(t *testing.T) {
-//	ctx, store, destroyFunc, err := testSetup(t)
-//	defer destroyFunc()
-//	assert.NoError(t, err)
-//	storagetesting.RunTestDeleteWithSuggestionAndConflict(ctx, t, store)
-//}
+func TestDeleteWithSuggestionAndConflict(t *testing.T) {
+	ctx, store, destroyFunc, err := testSetup(t)
+	defer destroyFunc()
+	assert.NoError(t, err)
+	storagetesting.RunTestDeleteWithSuggestionAndConflict(ctx, t, store)
+}
 
 // TODO: this test relies on update
 //func TestDeleteWithSuggestionOfDeletedObject(t *testing.T) {