1 files changed, 4 insertions, 3 deletions
diff --git a/actionpack/lib/action_dispatch/railtie.rb b/actionpack/lib/action_dispatch/railtie.rb
index f51cc3711b..f18ebabf29 100644
--- a/actionpack/lib/action_dispatch/railtie.rb
+++ b/actionpack/lib/action_dispatch/railtie.rb
@@ -1,20 +1,21 @@
 require "action_dispatch"
-require "rails"
 
 module ActionDispatch
   class Railtie < Rails::Railtie
     config.action_dispatch = ActiveSupport::OrderedOptions.new
-    config.action_dispatch.x_sendfile_header = ""
+    config.action_dispatch.x_sendfile_header = nil
     config.action_dispatch.ip_spoofing_check = true
     config.action_dispatch.show_exceptions = true
     config.action_dispatch.best_standards_support = true
     config.action_dispatch.tld_length = 1
     config.action_dispatch.ignore_accept_header = false
     config.action_dispatch.rack_cache = {:metastore => "rails:/", :entitystore => "rails:/", :verbose => true}
-
     initializer "action_dispatch.configure" do |app|
       ActionDispatch::Http::URL.tld_length = app.config.action_dispatch.tld_length
       ActionDispatch::Request.ignore_accept_header = app.config.action_dispatch.ignore_accept_header
+
+      config.action_dispatch.always_write_cookie = Rails.env.development? if config.action_dispatch.always_write_cookie.nil?
+      ActionDispatch::Cookies::CookieJar.always_write_cookie = config.action_dispatch.always_write_cookie
     end
   end
 end