diff --git a/htdocs/fourn/facture/impayees.php b/htdocs/fourn/facture/impayees.php
index 467d02e8726..50b6637291c 100644
--- a/htdocs/fourn/facture/impayees.php
+++ b/htdocs/fourn/facture/impayees.php
@@ -143,8 +143,7 @@ if ($user->rights->fournisseur->facture->lire)
 	{
 		$sql .= " AND f.facnumber LIKE '%".GETPOST('sf_re')."%'";
 	}
-	$sql.= " GROUP BY f.facnumber, f.rowid, f.total_ht, f.total_ttc, f.datef, f.date_lim_reglement, f.paye, f.fk_statut, s.rowid, s.nom";
-
+	$sql.= " GROUP BY s.rowid, s.nom, f.rowid, f.facnumber, f.total_ht, f.total_ttc, f.datef, f.date_lim_reglement,f.paye, f.rowid, f.fk_statut";
 	$sql.= " ORDER BY ";
 	$listfield=explode(',',$sortfield);
 	foreach ($listfield as $key => $value) $sql.=$listfield[$key]." ".$sortorder.",";