diff --git a/beesdoo_pos/models/beesdoo_sale_order.py b/beesdoo_pos/models/beesdoo_sale_order.py
new file mode 100644
index 0000000..6264d09
--- /dev/null
+++ b/beesdoo_pos/models/beesdoo_sale_order.py
@@ -0,0 +1,9 @@
+# -*- coding: utf-8 -*-
+from openerp import models, fields, api, _
+
+class SaleOrder(models.Model):
+    _inherit = 'sale.order'
+    
+    message_follower_ids = fields.One2many(
+        'mail.followers', 'res_id', string='Followers',
+        domain=lambda self: [('res_model', '=', self._name)])