diff --git a/sale.py b/sale.py
index c92045c..32942a4 100644
--- a/sale.py
+++ b/sale.py
@@ -23,6 +23,7 @@ class SaleLine(metaclass=PoolMeta):
 
         SaleLineDeleted.create([{
             'sale': line.sale,
+            'sale_date': line.sale_date,
             'quantity': line.quantity,
             'unit': line.unit,
             'product': line.product,