diff --git a/addons/account/wizard/account_validate_account_move.py b/addons/account/wizard/account_validate_account_move.py
index faf7f8e2ccd..6ebf040bbea 100644
--- a/addons/account/wizard/account_validate_account_move.py
+++ b/addons/account/wizard/account_validate_account_move.py
@@ -25,16 +25,16 @@ class validate_account_move(osv.osv_memory):
     _name = "validate.account.move"
     _description = "Validate Account Move"
     _columns = {
-        'journal_id': fields.many2one('account.journal', 'Journal', required=True),
-        'period_id': fields.many2one('account.period', 'Period', required=True, domain=[('state','<>','done')]),
+        'journal_id': fields.many2many('account.journal', 'wizard_validate_account_move_journal', 'wizard_id', 'journal_id', 'Journal', required=True),
+        'period_id': fields.many2many('account.period', 'wizard_validate_account_move_period', 'wizard_id', 'period_id', 'Period', required=True, domain=[('state','<>','done')]),
     }
 
     def validate_move(self, cr, uid, ids, context=None):
         obj_move = self.pool.get('account.move')
         if context is None:
             context = {}
-        data = self.browse(cr, uid, ids, context=context)[0]
-        ids_move = obj_move.search(cr, uid, [('state','=','draft'),('journal_id','=',data.journal_id.id),('period_id','=',data.period_id.id)])
+        data = self.read(cr, uid, ids[0], context=context)
+        ids_move = obj_move.search(cr, uid, [('state','=','draft'),('journal_id','in',tuple(data['journal_id'])),('period_id','in',tuple(data['period_id']))])
         if not ids_move:
             raise osv.except_osv(_('Warning!'), _('Specified journal does not have any account move entries in draft state for this period.'))
         obj_move.button_validate(cr, uid, ids_move, context=context)