diff --git a/ChangeLog b/ChangeLog
index 1319fc8b25f..2900cbac807 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,7 @@ English Dolibarr ChangeLog
 ***** ChangeLog for 3.4.1 compared to 3.4.0 *****
 Fix: [ bug #1029 ] Tulip numbering mask
 Fix: Supplier invoice and supplier order are not displayed into object link into agenda event card
+Fix: [ bug #1033 ] SUPPLIER REF disappeared
 Fix: update extrafield do not display immediatly after update
 Fix: Fix bug with canvas thirdparty
 
diff --git a/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php b/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
index d7c30f6d610..86ac23db3aa 100644
--- a/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
+++ b/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
@@ -287,7 +287,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 					$showpricebeforepagebreak=1;
 
 					$pdf->startTransaction();
-					pdf_writelinedesc($pdf,$object,$i,$outputlangs,$this->posxtva-$curX,3,$curX,$curY,$hideref,$hidedesc);
+					pdf_writelinedesc($pdf,$object,$i,$outputlangs,$this->posxtva-$curX,3,$curX,$curY,$hideref,$hidedesc,1);
 					$pageposafter=$pdf->getPage();
 					if ($pageposafter > $pageposbefore)	// There is a pagebreak
 					{