diff --git a/trytond/trytond/modules/product_price_list_dates/product.py b/trytond/trytond/modules/product_price_list_dates/product.py
index 003742f..e66b4bf 100644
--- a/trytond/trytond/modules/product_price_list_dates/product.py
+++ b/trytond/trytond/modules/product_price_list_dates/product.py
@@ -3,6 +3,7 @@
 from trytond.model import ModelView, fields
 from trytond.pool import PoolMeta, Pool
 from trytond.pyson import Eval, If
+from trytond.transaction import Transaction


 class PriceList(metaclass=PoolMeta):
@@ -21,6 +22,17 @@ class PriceList(metaclass=PoolMeta):
     def open_lines(cls, price_lists):
         pass

+    def compute(self, party, product, unit_price, quantity, uom,
+            pattern=None):
+        context = Transaction().context
+        if pattern is None:
+            pattern = {}
+        pattern = pattern.copy()
+        if not pattern.get('date') and context.get('date'):
+            pattern['date'] = context['date']
+        return super(PriceList, self).compute(party, product, unit_price,
+            quantity, uom, pattern)
+

 class PriceListLine(metaclass=PoolMeta):
     __name__ = 'product.price_list.line'