diff --git a/hotel_channel_connector/__manifest__.py b/hotel_channel_connector/__manifest__.py
index b696b058b..9fbaf81c3 100644
--- a/hotel_channel_connector/__manifest__.py
+++ b/hotel_channel_connector/__manifest__.py
@@ -38,6 +38,7 @@
         'views/channel_product_pricelist_views.xml',
         'views/channel_product_pricelist_item_views.xml',
         'views/channel_connector_backend_views.xml',
+        'wizard/inherited_massive_changes.xml',
         'data/menus.xml',
         'data/sequences.xml',
         #'security/ir.model.access.csv',
diff --git a/hotel_channel_connector/models/hotel_room_type_availability/common.py b/hotel_channel_connector/models/hotel_room_type_availability/common.py
index c2dc85b3c..e98b765ed 100644
--- a/hotel_channel_connector/models/hotel_room_type_availability/common.py
+++ b/hotel_channel_connector/models/hotel_room_type_availability/common.py
@@ -35,7 +35,7 @@ class ChannelHotelRoomTypeAvailability(models.Model):
                                     old_name='wpushed')
 
     @api.constrains('channel_max_avail')
-    def _check_wmax_avail(self):
+    def _check_channel_max_avail(self):
         for record in self:
             if record.channel_max_avail > record.odoo_id.room_type_id.total_rooms_count:
                 raise ValidationError(_("max avail for channel can't be high \
diff --git a/hotel_channel_connector/wizard/inherited_massive_changes.py b/hotel_channel_connector/wizard/inherited_massive_changes.py
index 200de2537..99c4abb88 100644
--- a/hotel_channel_connector/wizard/inherited_massive_changes.py
+++ b/hotel_channel_connector/wizard/inherited_massive_changes.py
@@ -2,18 +2,22 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 from datetime import datetime, timedelta
 from odoo.exceptions import ValidationError
-from odoo import models, api
+from odoo import fields, models, api
 
 
 class MassiveChangesWizard(models.TransientModel):
     _inherit = 'hotel.wizard.massive.changes'
 
+    change_no_ota = fields.Boolean(default=False)
+    no_ota = fields.Boolean('No OTA', default=False)
+
     @api.model
     def _get_availability_values(self, ndate, room_type, record):
         vals = super(MassiveChangesWizard, self)._get_availability_values(
             ndate, room_type, record)
         vals.update({
-            'wmax_avail': vals['avail']
+            'channel_max_avail': vals['avail'],
+            'no_ota': record.no_ota,
         })
         return vals
 
diff --git a/hotel_channel_connector/wizard/inherited_massive_changes.xml b/hotel_channel_connector/wizard/inherited_massive_changes.xml
new file mode 100644
index 000000000..3a1f4fe9c
--- /dev/null
+++ b/hotel_channel_connector/wizard/inherited_massive_changes.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" ?>
+<odoo>
+
+	<record model="ir.ui.view" id="hotel_massive_changes_wizard_view_form">
+		<field name="model">hotel.wizard.massive.changes</field>
+		<field name="inherit_id" ref="hotel.view_hotel_massive_changes_wizard" />
+		<field name="arch" type="xml">
+			<xpath expr="//table[hasclass('oe_form_group')][1]/tbody" position="inside">
+				<tr class="oe_form_group_row">
+					<td class="oe_form_group_cell oe_form_group_cell_label"><field name="change_no_ota" /> <strong> No OTA</strong></td>
+					<td class="oe_form_group_cell"><field name="no_ota" attrs="{'readonly':[('change_no_ota', '=', False)]}" /></td>
+				</tr>
+			</xpath>
+		</field>
+	</record>
+
+</odoo>