diff --git a/modules/purchase_trade/lot.py b/modules/purchase_trade/lot.py
index 5e3bc5e..98c27bb 100755
--- a/modules/purchase_trade/lot.py
+++ b/modules/purchase_trade/lot.py
@@ -48,7 +48,7 @@ class LotMove(ModelSQL,ModelView):
 class Lot(metaclass=PoolMeta):
     __name__ = 'lot.lot'
 
-    line = fields.Many2One('purchase.line',"Purchase")
+    line = fields.Many2One('purchase.line',"Purchase",ondelete='CASCADE')
     move = fields.Function(fields.Many2One('stock.move',"Move"),'get_current_move')
     lot_move = fields.One2Many('lot.move','lot',"Move")
     invoice_line = fields.Many2One('account.invoice.line',"Purch.Invoice line")
diff --git a/modules/purchase_trade/sale.py b/modules/purchase_trade/sale.py
index 9926d2c..b616122 100755
--- a/modules/purchase_trade/sale.py
+++ b/modules/purchase_trade/sale.py
@@ -172,7 +172,7 @@ class Summary(ModelSQL,ModelView):
 class Lot(metaclass=PoolMeta):
     __name__ = 'lot.lot'
 
-    sale_line = fields.Many2One('sale.line',"Sale")
+    sale_line = fields.Many2One('sale.line',"Sale",ondelete='CASCADE')
     lot_quantity_sale = fields.Function(fields.Numeric("Net weight",digits='lot_unit'),'get_qt')
     lot_gross_quantity_sale = fields.Function(fields.Numeric("Gross weight",digits='lot_unit'),'get_gross_qt')
 
diff --git a/modules/purchase_trade/stock.py b/modules/purchase_trade/stock.py
index 8372fd7..28e6d08 100755
--- a/modules/purchase_trade/stock.py
+++ b/modules/purchase_trade/stock.py
@@ -476,7 +476,7 @@ class ShipmentIn(metaclass=PoolMeta):
             for m in self.incoming_moves:
                 if m.lot:
                     lines.append(
-                        f"Lot nb: {m.lot.lot_number} | "
+                        f"Lot nb: {m.lot.lot_name} | "
                         f"Net Qt: {m.lot.get_current_quantity()} {m.lot.lot_unit.symbol} | "
                         f"Gross Qt: {m.lot.get_current_gross_quantity()} {m.lot.lot_unit.symbol}"
                     )