diff --git a/tracks/app/controllers/backend_controller.rb b/tracks/app/controllers/backend_controller.rb
index 87781bdb..17476943 100644
--- a/tracks/app/controllers/backend_controller.rb
+++ b/tracks/app/controllers/backend_controller.rb
@@ -1,4 +1,6 @@
 class BackendController < ApplicationController
+  include ActionWebService::Protocol::Soap
+  
   wsdl_service_name 'Backend'
   web_service_api TodoApi
   web_service_scaffold :invoke