diff --git a/addons/product/pricelist.py b/addons/product/pricelist.py
index 4b59856b6d8..98a62399a18 100644
--- a/addons/product/pricelist.py
+++ b/addons/product/pricelist.py
@@ -152,7 +152,7 @@ class product_pricelist(osv.osv):
             context = {}
 
         date = time.strftime('%Y-%m-%d')
-        if 'date' in context:
+        if 'date' in context and context['date']:
             date = context['date']
 
         currency_obj = self.pool.get('res.currency')