diff --git a/modules/purchase_trade/fee.py b/modules/purchase_trade/fee.py
index 9a91da9..216b48f 100755
--- a/modules/purchase_trade/fee.py
+++ b/modules/purchase_trade/fee.py
@@ -126,7 +126,7 @@ class Fee(ModelSQL,ModelView):
             line = self.sale_line
         if line:
             if line.lots:
-                qt = sum([e.get_current_quantity() for e in line.lots])
+                qt = sum([e.get_current_quantity_converted(0,self.unit) for e in line.lots])
                 unit = line.lots[0].lot_unit_line
                 logger.info("ON_CHANGE_WITH_QT0:%s",qt)
         if self.shipment_in:
@@ -134,7 +134,7 @@ class Fee(ModelSQL,ModelView):
             lots = Lot.search([('lot_shipment_in','=',self.shipment_in.id)])
             logger.info("ON_CHANGE_WITH_LOTS:%s",lots)
             if lots:
-                qt = sum([e.get_current_quantity() for e in lots])
+                qt = sum([e.get_current_quantity_converted(0,self.unit) for e in lots])
                 unit = lots[0].lot_unit_line
         if not qt:
             logger.info("ON_CHANGE_WITH_QT1:%s",qt)