diff --git a/addons/product/product.py b/addons/product/product.py
index 6fc5515d566..7f3a33ce3a2 100644
--- a/addons/product/product.py
+++ b/addons/product/product.py
@@ -590,7 +590,7 @@ class product_template(osv.osv):
             if ptype != 'standard_price':
                 res[product.id] = product[ptype] or 0.0
             else:
-                res[product.id] = self.read(cr, SUPERUSER_ID, product.id, [ptype], context=context)[ptype] or 0.0
+                res[product.id] = product.sudo()[ptype]
             if ptype == 'list_price':
                 res[product.id] += product._name == "product.product" and product.price_extra or 0.0
             if 'uom' in context: