diff --git a/htdocs/telephonie/script/facturation-emission.php b/htdocs/telephonie/script/facturation-emission.php
index 804bd2c2599..3ac26a0e043 100644
--- a/htdocs/telephonie/script/facturation-emission.php
+++ b/htdocs/telephonie/script/facturation-emission.php
@@ -424,7 +424,7 @@ function facture_contrat($db, $user, $contrat_id, $factel_ids, $datetime, &$fact
             
       $sql .= " WHERE sc.fk_contrat = ".$contrat_id;
       $sql .= " AND s.rowid = sc.fk_service";  
-	
+      $sql .= " AND sc.montant > 0";
 
       $resql = $db->query($sql) ;