diff --git a/addons/account/account.py b/addons/account/account.py
index 0cee9291e97..37d31dcdbe3 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -1242,7 +1242,7 @@ class account_move(osv.osv):
             context = {}
         c = context.copy()
         c['novalidate'] = True
-        result = super(osv.osv, self).write(cr, uid, ids, vals, c)
+        result = super(account_move, self).write(cr, uid, ids, vals, c)
         self.validate(cr, uid, ids, context=context)
         return result
 
diff --git a/addons/account/account_move_line.py b/addons/account/account_move_line.py
index 06a3d8c44e9..5a4447ba872 100644
--- a/addons/account/account_move_line.py
+++ b/addons/account/account_move_line.py
@@ -1296,7 +1296,7 @@ class account_move_line(osv.osv):
                         'user_id': uid
             })]
 
-        result = super(osv.osv, self).create(cr, uid, vals, context=context)
+        result = super(account_move_line, self).create(cr, uid, vals, context=context)
         # CREATE Taxes
         if vals.get('account_tax_id', False):
             tax_id = tax_obj.browse(cr, uid, vals['account_tax_id'])
diff --git a/addons/account_analytic_plans/account_analytic_plans.py b/addons/account_analytic_plans/account_analytic_plans.py
index c8ab5334d8a..c62e6ea98d0 100644
--- a/addons/account_analytic_plans/account_analytic_plans.py
+++ b/addons/account_analytic_plans/account_analytic_plans.py
@@ -366,7 +366,7 @@ class account_move_line(osv.osv):
     def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False, submenu=False):
         if context is None:
             context = {}
-        result = super(osv.osv, self).fields_view_get(cr, uid, view_id, view_type, context, toolbar=toolbar, submenu=submenu)
+        result = super(account_move_line, self).fields_view_get(cr, uid, view_id, view_type, context, toolbar=toolbar, submenu=submenu)
         return result
 
 account_move_line()
@@ -496,4 +496,4 @@ class account_bank_statement_line(osv.osv):
     }
 account_bank_statement_line()
 
-# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
\ No newline at end of file
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
diff --git a/addons/crm/crm.py b/addons/crm/crm.py
index f6d3964cf0b..4d23f827e7a 100644
--- a/addons/crm/crm.py
+++ b/addons/crm/crm.py
@@ -300,7 +300,7 @@ class crm_case(crm_base):
                 default.update({
                     'date_open': False
                 })
-        return super(osv.osv, self).copy(cr, uid, id, default, context=context)
+        return super(crm_case, self).copy(cr, uid, id, default, context=context)