diff --git a/htdocs/facture.class.php b/htdocs/facture.class.php
index 7c93bcb185b..2d9bcc37bec 100644
--- a/htdocs/facture.class.php
+++ b/htdocs/facture.class.php
@@ -1127,7 +1127,7 @@ class Facture
 	 *      \param     tva_tx           Taux TVA
 	 *      \return    int              < 0 si erreur, > 0 si ok
 	 */
-	function updateline($rowid, $desc, $product_desc, $pu, $qty, $remise_percent=0, $datestart, $dateend, $tva_tx)
+	function updateline($rowid, $desc, $pu, $qty, $remise_percent=0, $datestart, $dateend, $tva_tx)
 	{
 		dolibarr_syslog('Facture::UpdateLine');