diff --git a/modules/purchase_trade/lot.py b/modules/purchase_trade/lot.py
index 416bc8b..d02ddde 100755
--- a/modules/purchase_trade/lot.py
+++ b/modules/purchase_trade/lot.py
@@ -880,13 +880,15 @@ class Lot(metaclass=PoolMeta):
                     lqt = LotQt.search([('lot_p','=',lot.id)])
                     if len(lqt)==0 and not lot.line.created_by_code:
                         lot.createVirtualPart(lot.lot_quantity,None,None)    
-                    virtual_lots_to_check.append(lot)
+                    if not lot.line.created_by_code:
+                        virtual_lots_to_check.append(lot)
                     
                 if lot.sale_line:
                     lqt = LotQt.search([('lot_s','=',lot.id)])
                     if len(lqt)==0 and not lot.sale_line.created_by_code:
                         lot.createVirtualPart(lot.lot_quantity,None,lot.id,'only sale')
-                    virtual_lots_to_check.append(lot)
+                    if not lot.sale_line.created_by_code:
+                        virtual_lots_to_check.append(lot)
                 
             #Recalculate total line quantity
             if lot.lot_type == 'physic':