diff --git a/hotel_calendar/models/inherited_hotel_reservation.py b/hotel_calendar/models/inherited_hotel_reservation.py
index b7d2c2e85..a40cbe4da 100644
--- a/hotel_calendar/models/inherited_hotel_reservation.py
+++ b/hotel_calendar/models/inherited_hotel_reservation.py
@@ -68,7 +68,7 @@ class HotelReservation(models.Model):
                 'id': room.id,
                 'name': room.name,
                 'capacity': room.capacity,
-                'class_id': room.room_type_id.class_id.id,
+                'class_name': room.room_type_id.class_id.name,
                 'shared': room.shared_room,
                 'price': room.room_type_id
                          and ['pricelist', room.room_type_id.id, pricelist_id,
diff --git a/hotel_calendar/static/src/js/views/calendar/hotel_calendar_controller.js b/hotel_calendar/static/src/js/views/calendar/hotel_calendar_controller.js
index 4dd69b277..5917e1c59 100644
--- a/hotel_calendar/static/src/js/views/calendar/hotel_calendar_controller.js
+++ b/hotel_calendar/static/src/js/views/calendar/hotel_calendar_controller.js
@@ -113,7 +113,7 @@ var PMSCalendarController = AbstractController.extend({
                     r['id'],
                     r['name'],
                     r['capacity'],
-                    r['class_id'],
+                    r['class_name'],
                     r['shared'],
                     r['price']
                 );
@@ -122,7 +122,7 @@ var PMSCalendarController = AbstractController.extend({
                     'room_type_id': r['room_type_id'],
                     'floor_id': r['floor_id'],
                     'amenities': r['amenity_ids'],
-                    'class_id': r['class_id']
+                    'class_name': r['class_name']
                 });
                 rooms.push(nroom);
             }
diff --git a/hotel_calendar/static/src/js/views/calendar/hotel_calendar_renderer.js b/hotel_calendar/static/src/js/views/calendar/hotel_calendar_renderer.js
index b9b96b69b..248e5370d 100644
--- a/hotel_calendar/static/src/js/views/calendar/hotel_calendar_renderer.js
+++ b/hotel_calendar/static/src/js/views/calendar/hotel_calendar_renderer.js
@@ -772,7 +772,7 @@ var HotelCalendarView = AbstractRenderer.extend({
       var virtual = _.map(this.$el.find('#pms-search #virtual_list').val(), function(item){ return +item; });
       var domain = [];
       if (category && category.length > 0) {
-        domain.push(['class_id', 'in', category]);
+        domain.push(['class_name', 'in', category]);
       }
       if (floor && floor.length > 0) {
         domain.push(['floor_id', 'in', floor]);