diff --git a/lib/heroku_san.rb b/lib/heroku_san.rb
index cffcfe3..5e3746b 100644
--- a/lib/heroku_san.rb
+++ b/lib/heroku_san.rb
@@ -1,4 +1,4 @@
-require 'railtie' if defined?(Rails) && Rails::VERSION::MAJOR >= 3
+require File.join(File.dirname(__FILE__), 'railtie.rb') if defined?(Rails) && Rails::VERSION::MAJOR >= 3
 require 'git'
 require 'heroku_san/stage'
 require 'heroku_san/project'