diff --git a/addons/product/product.py b/addons/product/product.py
index df40b9a51e1..481a3838084 100644
--- a/addons/product/product.py
+++ b/addons/product/product.py
@@ -1218,6 +1218,7 @@ class product_product(osv.osv):
             'company_id': company_id,
         }, context=context)
 
+    @api.cr_uid_ids_context
     def get_history_price(self, cr, uid, product_id, company_id, date=None, context=None):
         if context is None:
             context = {}
diff --git a/addons/stock_account/wizard/stock_valuation_history.py b/addons/stock_account/wizard/stock_valuation_history.py
index ace4a3fb0bd..3096e635bdd 100644
--- a/addons/stock_account/wizard/stock_valuation_history.py
+++ b/addons/stock_account/wizard/stock_valuation_history.py
@@ -97,7 +97,7 @@ class stock_history(osv.osv):
             if line.product_id.cost_method == 'real':
                 res[line.id] = line.quantity * line.price_unit_on_quant
             else:
-                res[line.id] = line.quantity * product_obj.get_history_price(cr, uid, line.product_id.id, line.company_id.id, date=date, context=context)
+                res[line.id] = line.quantity * product_obj.get_history_price(cr, uid, [line.product_id.id], line.company_id.id, date=date, context=context)
         return res
 
     _columns = {