diff --git a/htdocs/core/modules/export/export_excel2007.modules.php b/htdocs/core/modules/export/export_excel2007.modules.php
index 2e84b415d3c..4be27acc2c9 100644
--- a/htdocs/core/modules/export/export_excel2007.modules.php
+++ b/htdocs/core/modules/export/export_excel2007.modules.php
@@ -1,6 +1,7 @@
 <?php
 /* Copyright (C) 2006-2015 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2012      Marcos García        <marcosgdf@gmail.com>
+ * Copyright (C) 2024		William Mead		<william.mead@manchenumerique.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by