diff --git a/app/controllers/invitations_controller.rb b/app/controllers/invitations_controller.rb
index df27534..1374cd1 100644
--- a/app/controllers/invitations_controller.rb
+++ b/app/controllers/invitations_controller.rb
@@ -1,3 +1,4 @@
+# coding: utf-8
 class InvitationsController < ApplicationController
 
   before_filter :signed_in_user