diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 3c35a03f218..748f83f5a53 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -539,6 +539,15 @@ class Facture extends CommonInvoice
 						}
 
 						$newinvoiceline->fk_parent_line=$fk_parent_line;
+
+						if($newinvoiceline->fk_remise_except){
+                            $discount = new DiscountAbsolute($this->db);
+                            $discount->fetch($newinvoiceline->fk_remise_except);
+
+						    $discountId = $soc->set_remise_except($discount->amount_ht, $user, $discount->description, $discount->tva_tx);
+						    $newinvoiceline->fk_remise_except = $discountId;
+                        }
+
 						$result=$newinvoiceline->insert();
 
 						// Defined the new fk_parent_line