diff --git a/addons/mrp/product.py b/addons/mrp/product.py
index 1af0bd686ce..a14634208ff 100644
--- a/addons/mrp/product.py
+++ b/addons/mrp/product.py
@@ -32,7 +32,7 @@ class product_product(osv.osv):
         @return: dictionary which contains information regarding stock input account, stock output account and stock journal
         """           
         product_obj = self.pool.get('product.product').browse(cr, uid, product_id, False)
-        
+        res = super(product_product,self).get_product_accounts(cr, uid, product_id, context)
         stock_input_acc = product_obj.property_stock_account_input and product_obj.property_stock_account_input.id or False 
         if not stock_input_acc:
             stock_input_acc = product_obj.categ_id.property_stock_account_input_categ and product_obj.categ_id.property_stock_account_input_categ.id or False
@@ -43,7 +43,6 @@ class product_product(osv.osv):
 
         journal_id = product_obj.categ_id.property_stock_journal and product_obj.categ_id.property_stock_journal.id or False
         
-        res = {}
         res.update({'stock_account_input': stock_input_acc})
         res.update({'stock_account_output': stock_output_acc})
         res.update({'stock_journal': journal_id})