diff --git a/htdocs/core/actions_linkedfiles.inc.php b/htdocs/core/actions_linkedfiles.inc.php
index e90b1998906..2272997784b 100644
--- a/htdocs/core/actions_linkedfiles.inc.php
+++ b/htdocs/core/actions_linkedfiles.inc.php
@@ -1,7 +1,8 @@
 <?php
-/* Copyright (C)    2013    Cédric Salvador    <csalvador@gpcsolutions.fr>
- * Copyright (C)    2015    Marcos García      <marcosgdf@gmail.com>
- * Copyright (C)    2015    Ferran Marcet      <fmarcet@2byte.es>
+/* Copyright (C) 2013       Cédric Salvador         <csalvador@gpcsolutions.fr>
+ * Copyright (C) 2015       Marcos García           <marcosgdf@gmail.com>
+ * Copyright (C) 2015       Ferran Marcet           <fmarcet@2byte.es>
+ * Copyright (C) 2024		Frédéric France			<frederic.france@free.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
@@ -111,7 +112,7 @@ if (GETPOST('sendit', 'alpha') && getDolGlobalString('MAIN_UPLOAD_DOC') && !empt
 		}
 
 		if (!$error) {
-			dol_add_file_process($upload_dir, 0, 1, 'userfile', null, $link, '', 0);
+			dol_add_file_process($upload_dir, 0, 1, 'userfile', '', $link, '', 0);
 		}
 	}
 }
diff --git a/htdocs/core/class/html.formfile.class.php b/htdocs/core/class/html.formfile.class.php
index 5d704678054..c8630c2b057 100644
--- a/htdocs/core/class/html.formfile.class.php
+++ b/htdocs/core/class/html.formfile.class.php
@@ -7,8 +7,8 @@
  * Copyright (C) 2014		Marcos García		<marcosgdf@gmail.com>
  * Copyright (C) 2015		Bahfir Abbes		<bafbes@gmail.com>
  * Copyright (C) 2016-2017	Ferran Marcet		<fmarcet@2byte.es>
- * Copyright (C) 2019-2023  Frédéric France     <frederic.france@netlogic.fr>
- * Copyright (C) 2024		MDW							<mdeweerd@users.noreply.github.com>
+ * Copyright (C) 2019-2024	Frédéric France     <frederic.france@free.fr>
+ * Copyright (C) 2024		MDW					<mdeweerd@users.noreply.github.com>
  *
  * 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
@@ -123,7 +123,7 @@ class FormFile
 				$title = $langs->trans("AttachANewFile");
 			}
 			if ($title != 'none') {
-				$out .= load_fiche_titre($title, null, null);
+				$out .= load_fiche_titre($title, '', '');
 			}
 
 			if (empty($usewithoutform)) {		// Try to avoid this and set instead the form by the caller.
@@ -222,7 +222,7 @@ class FormFile
 				$out .= "\n".'<!-- Start form link new url --><div class="formlinknewurl">'."\n";
 				$langs->load('link');
 				$title = $langs->trans("LinkANewFile");
-				$out .= load_fiche_titre($title, null, null);
+				$out .= load_fiche_titre($title, '', '');
 
 				if (empty($usewithoutform)) {
 					$out .= '<form name="'.$htmlname.'_link" id="'.$htmlname.'_link" action="'.$url.'" method="POST">'."\n";
diff --git a/htdocs/ftp/index.php b/htdocs/ftp/index.php
index d79059447dd..5d7da9a5e91 100644
--- a/htdocs/ftp/index.php
+++ b/htdocs/ftp/index.php
@@ -617,7 +617,7 @@ if (!function_exists('ftp_connect')) {
 		print "</form>";
 
 		if ($user->hasRight('ftp', 'write')) {
-			print load_fiche_titre($langs->trans("AttachANewFile"), null, null);
+			print load_fiche_titre($langs->trans("AttachANewFile"), '', '');
 			print '<form enctype="multipart/form-data" action="'.$_SERVER["PHP_SELF"].'" method="post">';
 			print '<input type="hidden" name="token" value="'.newToken().'">';
 			print '<input type="hidden" name="numero_ftp" value="'.$numero_ftp.'">';
@@ -630,7 +630,7 @@ if (!function_exists('ftp_connect')) {
 
 			print '<br><br>';
 
-			print load_fiche_titre($langs->trans("AddFolder"), null, null);
+			print load_fiche_titre($langs->trans("AddFolder"), '', '');
 			print '<form enctype="multipart/form-data" action="'.$_SERVER["PHP_SELF"].'" method="post">';
 			print '<input type="hidden" name="token" value="'.newToken().'">';
 			print '<input type="hidden" name="numero_ftp" value="'.$numero_ftp.'">';
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 62109514c58..d45f3beaf9c 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -97,7 +97,6 @@ parameters:
 		- '# (dol_strlen|vatrate) expects string, float(\|(int|array)(\<.*\>)?)* given.#'
 		- '#create_line\(\) expects string, float given.#'
 		- '# dol_stringtotime expects string, DateTime given.#'
-		- '# (load_fiche_titre|dol_add_file_process) expects string, null given.#'
 		- '# (show_ldap_content|projectLinesa) expects string, true given.#'
 		- '#expects string, bool\|mysqli_result\|resource given.#'
 		- '#( |::)((multi)?selectarray)\(\) expects array#'