diff --git a/addons/product/pricelist.py b/addons/product/pricelist.py
index 6899b673c70..9413ceebbe2 100644
--- a/addons/product/pricelist.py
+++ b/addons/product/pricelist.py
@@ -264,7 +264,7 @@ class product_pricelist(osv.osv):
                                     product_obj.price_get(cr, uid, [product_id],
                                         price_type.field)[product_id], round=False, context=context)
 
-                        if price:
+                        if price or price == 0.0:
                             price_limit = price
 
                             price = price * (1.0+(res['price_discount'] or 0.0))