diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index 540506103fb..f3c42714813 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -374,7 +374,6 @@ if ($_POST['action'] == 'updateligne' && $user->rights->facture->creer && $_POST
 
 	$result = $fac->updateline($_POST['rowid'],
 		$_POST['desc'],
-		$_POST['product_desc']
 		$_POST['price'],
 		$_POST['qty'],
 		$_POST['remise_percent'],
diff --git a/htdocs/facture.class.php b/htdocs/facture.class.php
index 2d9bcc37bec..7c93bcb185b 100644
--- a/htdocs/facture.class.php
+++ b/htdocs/facture.class.php
@@ -1127,7 +1127,7 @@ class Facture
 	 *      \param     tva_tx           Taux TVA
 	 *      \return    int              < 0 si erreur, > 0 si ok
 	 */
-	function updateline($rowid, $desc, $pu, $qty, $remise_percent=0, $datestart, $dateend, $tva_tx)
+	function updateline($rowid, $desc, $product_desc, $pu, $qty, $remise_percent=0, $datestart, $dateend, $tva_tx)
 	{
 		dolibarr_syslog('Facture::UpdateLine');