diff --git a/lib/private/Files/Node/Folder.php b/lib/private/Files/Node/Folder.php
index d136fa2de26..b0df1c91293 100644
--- a/lib/private/Files/Node/Folder.php
+++ b/lib/private/Files/Node/Folder.php
@@ -1,6 +1,7 @@
 <?php
 /**
  * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @copyright Copyright (c) 2022 Informatyka Boguslawski sp. z o.o. sp.k., http://www.ib.pl/
  *
  * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
  * @author Christoph Wurst <christoph@winzerhof-wurst.at>