diff --git a/pkg/local_object_storage/pilorama/boltdb.go b/pkg/local_object_storage/pilorama/boltdb.go
index 2ca6fdefa..fc7cdaabc 100644
--- a/pkg/local_object_storage/pilorama/boltdb.go
+++ b/pkg/local_object_storage/pilorama/boltdb.go
@@ -1155,7 +1155,7 @@ func (t *boltForest) TreeSortedByFilename(ctx context.Context, cid cidSDK.ID, tr
 	}
 	if len(res) != 0 {
 		s := string(findAttr(res[len(res)-1].Meta, AttributeFilename))
-		last = NewCursor(s, res[len(res)-1].Children[len(res[len(res)-1].Children)-1])
+		last = NewCursor(s, res[len(res)-1].LastChild())
 	}
 	return res, last, metaerr.Wrap(err)
 }
diff --git a/pkg/local_object_storage/pilorama/multinode.go b/pkg/local_object_storage/pilorama/multinode.go
index 106ba6ae9..36d347f10 100644
--- a/pkg/local_object_storage/pilorama/multinode.go
+++ b/pkg/local_object_storage/pilorama/multinode.go
@@ -25,6 +25,10 @@ func (r *MultiNodeInfo) Add(info NodeInfo) bool {
 	return true
 }
 
+func (r *MultiNodeInfo) LastChild() Node {
+	return r.Children[len(r.Children)-1]
+}
+
 func (n NodeInfo) ToMultiNode() MultiNodeInfo {
 	return MultiNodeInfo{
 		Children:   MultiNode{n.ID},