diff --git a/htdocs/compta/facture/prelevement.php b/htdocs/compta/facture/prelevement.php
index 583626f0220..989fa28b2f0 100644
--- a/htdocs/compta/facture/prelevement.php
+++ b/htdocs/compta/facture/prelevement.php
@@ -281,8 +281,8 @@ if ($object->id > 0) {
 	}
 
 	$author = new User($db);
-	if ($object->user_author) {
-		$author->fetch($object->user_author);
+	if ($object->fk_user_author) {
+		$author->fetch($object->fk_user_author);
 	}
 
 	if ($type == 'bank-transfer') {
diff --git a/htdocs/core/class/fileupload.class.php b/htdocs/core/class/fileupload.class.php
index ea8618c8b92..8e325fd13e2 100644
--- a/htdocs/core/class/fileupload.class.php
+++ b/htdocs/core/class/fileupload.class.php
@@ -1,5 +1,5 @@
 <?php
-/* Copyright (C) 2011-2012	Regis Houssin		<regis.houssin@inodbox.com>
+/* Copyright (C) 2011-2022	Regis Houssin		<regis.houssin@inodbox.com>
  * Copyright (C) 2011-2012	Laurent Destailleur	<eldy@users.sourceforge.net>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -216,7 +216,7 @@ class FileUpload
 	/**
 	 * Set delete url
 	 *
-	 * @param 	string	$file		Filename
+	 * @param 	object	$file		Filename
 	 * @return	void
 	 */
 	protected function setFileDeleteUrl($file)
@@ -301,7 +301,7 @@ class FileUpload
 	 * Enter description here ...
 	 *
 	 * @param 	string	$uploaded_file		Uploade file
-	 * @param 	string	$file				File
+	 * @param 	object	$file				File
 	 * @param 	string	$error				Error
 	 * @param	string	$index				Index
 	 * @return  boolean                     True if OK, False if KO
@@ -538,7 +538,7 @@ class FileUpload
 	/**
 	 * Delete uploaded file
 	 *
-	 * @return	void
+	 * @return	string
 	 */
 	public function delete()
 	{