diff --git a/app/controllers/account_controller.rb b/app/controllers/account_controller.rb
index 926e044..7bf518f 100644
--- a/app/controllers/account_controller.rb
+++ b/app/controllers/account_controller.rb
@@ -153,7 +153,7 @@ class AccountController < ApplicationController
   end
 
   def open_id_authenticate(openid_url)
-    authenticate_with_open_id(openid_url, :required => [:nickname, :fullname, :email], :return_to => signin_url) do |result, identity_url, registration|
+    authenticate_with_open_id(openid_url, :required => [:nickname, :fullname, :email], :return_to => signin_url, :method => :post) do |result, identity_url, registration|
       if result.successful?
         user = User.find_or_initialize_by_identity_url(identity_url)
         if user.new_record?