diff --git a/pkg/local_object_storage/engine/tree_test.go b/pkg/local_object_storage/engine/tree_test.go
index c2bae977..4cd35a08 100644
--- a/pkg/local_object_storage/engine/tree_test.go
+++ b/pkg/local_object_storage/engine/tree_test.go
@@ -37,7 +37,7 @@ func benchmarkTreeVsSearch(b *testing.B, objCount int) {
 			b.Fatal(err)
 		}
 		_, err = te.ng.TreeAddByPath(context.Background(), d, treeID, pilorama.AttributeFilename, nil,
-			[]pilorama.KeyValue{{pilorama.AttributeFilename, []byte(strconv.Itoa(i))}})
+			[]pilorama.KeyValue{{Key: pilorama.AttributeFilename, Value: []byte(strconv.Itoa(i))}})
 		if err != nil {
 			b.Fatal(err)
 		}