diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index e75a6c80232..c135b25c1a5 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -168,7 +168,7 @@ if ($_GET['action'] == 'modif' && $user->rights->facture->modifier && $conf->glo
   $fac->fetch($_GET['facid']);
   
   // On vérifie si la facture a des paiements
-  $sql = 'SELECT pf.amount,';
+  $sql = 'SELECT pf.amount';
 	$sql.= ' FROM '.MAIN_DB_PREFIX.'paiement_facture as pf';
 	$sql.= ' WHERE pf.fk_facture = '.$fac->id;
 
@@ -176,6 +176,9 @@ if ($_GET['action'] == 'modif' && $user->rights->facture->modifier && $conf->glo
 	
 	if ($result)
 	{
+		$i = 0;
+		$num = $db->num_rows($result);
+		
 		while ($i < $num)
 		{
 			$objp = $db->fetch_object($result);