diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 730546e0e6b..605df1397b0 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -2190,7 +2190,8 @@ abstract class CommonObject
 								$this->updateline(
 									$line->id, ($line->description ? $line->description : $line->desc), $line->subprice, $line->qty, $line->remise_percent,
 									$line->tva_tx, $line->localtax1_tx, $line->localtax2_tx, 'HT', $line->info_bits, $line->product_type, false,
-									$line->date_start, $line->date_end, $line->array_options, $line->fk_unit, $line->multicurrency_subprice
+									$line->date_start, $line->date_end, $line->array_options, $line->fk_unit, $line->multicurrency_subprice,
+									$line->ref_supplier
 								);
 								break;
 							case 'invoice_supplier':