diff --git a/htdocs/fourn/class/fournisseur.facture.class.php b/htdocs/fourn/class/fournisseur.facture.class.php
index 728ff9ac674..c85da60dd13 100644
--- a/htdocs/fourn/class/fournisseur.facture.class.php
+++ b/htdocs/fourn/class/fournisseur.facture.class.php
@@ -1806,6 +1806,7 @@ class FactureFournisseur extends CommonInvoice
         $object->date               = '';
         $object->date_echeance      = '';
         $object->ref_client         = '';
+        $object->libelle 			= $langs->trans("CopyOf").' '.$object->libelle;
         $object->close_code         = '';
         $object->close_note         = '';