diff --git a/openerp/addons/base/res/res_company.py b/openerp/addons/base/res/res_company.py
index c8ea8d7856e..cd17f6da3d9 100644
--- a/openerp/addons/base/res/res_company.py
+++ b/openerp/addons/base/res/res_company.py
@@ -253,7 +253,7 @@ class res_company(osv.osv):
         vals.update({'partner_id': partner_id})
         self.cache_restart(cr)
         company_id = super(res_company, self).create(cr, uid, vals, context=context)
-        obj_partner.write(cr, uid, partner_id, {'company_id': company_id}, context=context)
+        obj_partner.write(cr, uid, [partner_id], {'company_id': company_id}, context=context)
         return company_id
 
     def write(self, cr, uid, ids, values, context=None):
diff --git a/openerp/addons/base/res/res_partner.py b/openerp/addons/base/res/res_partner.py
index 2637b922f8c..7bd7587a8d9 100644
--- a/openerp/addons/base/res/res_partner.py
+++ b/openerp/addons/base/res/res_partner.py
@@ -433,7 +433,7 @@ class res_partner(osv.osv, format_address):
             commercial_fields = self._commercial_fields(cr, uid, context=context)
             sync_vals = self._update_fields_values(cr, uid, partner.commercial_partner_id,
                                                         commercial_fields, context=context)
-            return self.write(cr, uid, partner.id, sync_vals, context=context)
+            partner.write(sync_vals)
 
     def _commercial_sync_to_children(self, cr, uid, partner, context=None):
         """ Handle sync of commercial fields to descendants """
@@ -459,7 +459,7 @@ class res_partner(osv.osv, format_address):
                                                       use_parent_address=partner.use_parent_address,
                                                       parent_id=partner.parent_id.id,
                                                       context=context).get('value', {})
-                self.update_address(cr, uid, partner.id, onchange_vals, context=context)
+                partner.update_address(onchange_vals)
 
         # 2. To DOWNSTREAM: sync children 
         if partner.child_ids: