diff --git a/pms_api_rest/datamodels/pms_room_type_class.py b/pms_api_rest/datamodels/pms_room_type_class.py
index 43bd8d401..4498951d7 100644
--- a/pms_api_rest/datamodels/pms_room_type_class.py
+++ b/pms_api_rest/datamodels/pms_room_type_class.py
@@ -13,4 +13,5 @@ class PmsRoomTypeClassInfo(Datamodel):
     _name = "pms.room.type.class.info"
     id = fields.Integer(required=False, allow_none=True)
     name = fields.String(required=False, allow_none=True)
+    defaultCode = fields.String(required=False, allow_none=True)
     pmsPropertyIds = fields.List(fields.Integer(), required=False)
diff --git a/pms_api_rest/services/pms_room_type_class_service.py b/pms_api_rest/services/pms_room_type_class_service.py
index 8566d6d6e..28dfa3ea0 100644
--- a/pms_api_rest/services/pms_room_type_class_service.py
+++ b/pms_api_rest/services/pms_room_type_class_service.py
@@ -49,6 +49,7 @@ class PmsRoomTypeClassService(Component):
                 PmsRoomTypeClassInfo(
                     id=room.id,
                     name=room.name,
+                    defaultCode=room.default_code if room.default_code else None,
                     pmsPropertyIds=room.pms_property_ids.mapped("id"),
                 )
             )