diff --git a/modules/purchase_trade/stock.py b/modules/purchase_trade/stock.py
index 220d380..5e76ced 100755
--- a/modules/purchase_trade/stock.py
+++ b/modules/purchase_trade/stock.py
@@ -574,13 +574,7 @@ class ShipmentIn(metaclass=PoolMeta):
                 #update line valuation
                 Pnl = Pool().get('valuation.valuation')
                 for lot in lots:
-                    pnl = Pnl.search([('line','=',lot.line.id)])
-                    if pnl:
-                        Pnl.delete(pnl)
-                    pnl_lines = []
-                    pnl_lines.extend(lot.line.get_pnl_fee_lines())
-                    pnl_lines.extend(lot.line.get_pnl_price_lines())
-                    Pnl.save(pnl_lines)
+                    Pnl.generate(lot.line)
             if sh.sof:
                 for sof in sh.sof:
                     if sof.chart: