diff --git a/modules/purchase_trade/fee.py b/modules/purchase_trade/fee.py
index cceec93..062ddf4 100755
--- a/modules/purchase_trade/fee.py
+++ b/modules/purchase_trade/fee.py
@@ -371,8 +371,10 @@ class Fee(ModelSQL,ModelView):
             if self.mode == 'lumpsum':
                 if self.amount != self.purchase.lines[0].unit_price:
                     self.purchase.lines[0].unit_price = self.amount
-                # if self.quantity != self.purchase.lines[0].quantity:
-                #     self.purchase.lines[0].quantity = self.quantity
+            elif self.mode == 'ppack':
+                if self.amount != self.purchase.lines[0].amount:
+                    self.purchase.lines[0].unit_price = self.price
+                    self.purchase.lines[0].quantity = self.quantity
             else:
                 if self.get_price_per_qt() != self.purchase.lines[0].unit_price:
                     self.purchase.lines[0].unit_price = self.get_price_per_qt()