anonymous users are not logged in

app/controllers/users.rb

@@ -5,7 +5,7 @@ class Users < Application
   include Ambethia::ReCaptcha::Controller
   
   def index
-    if current_user.administrator?
+    if logged_in? and current_user.administrator?
       @users = User.find :all, :order => 'user_name ASC', :conditions => 'facebook_id IS NULL'
       render
     else