diff --git a/supply_schedule.py b/supply_schedule.py
index 330065e1ea..ee35b8585b 100644
--- a/supply_schedule.py
+++ b/supply_schedule.py
@@ -174,11 +174,12 @@ class GeneratePurchaseRequest(Wizard):
         """
         min_date = None
         max_date = None
+        today = datetime.date.today()
         product_supplier_obj = self.pool.get('purchase.product_supplier')
 
         for product_supplier in product.product_suppliers:
             supply_date = product_supplier_obj.compute_supply_date(
-                cursor, user, product_supplier, context=context)
+                cursor, user, product_supplier, date=today, context=context)
             if (not min_date) or supply_date < min_date:
                 min_date = supply_date
             if (not max_date) or supply_date > max_date: