diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 693d2a73480..0368882885b 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -114,22 +114,42 @@ class Facture extends CommonInvoice
 
 	public $author;
 
+	/**
+	 * @var int ID
+	 * @deprecated
+	 * @see $fk_user_author
+	 */
+	public $user_author;
+
 	/**
 	 * @var int ID
 	 */
 	public $fk_user_author;
 
+	/**
+	 * @var int ID
+	 * @deprecated
+	 * @see $fk_user_valid
+	 */
+	public $user_valid;
+
 	/**
 	 * @var int ID
 	 */
 	public $fk_user_valid;
 
+	/**
+	 * @var int ID
+	 * @deprecated
+	 * @see $fk_uesr_modif
+	 */
+	public $user_modification;
+
 	/**
 	 * @var int ID
 	 */
 	public $fk_user_modif;
 
-
 	public $date; // Date invoice
 	public $datem;