diff --git a/Rakefile b/Rakefile
index 8b8cb49..5adcafe 100644
--- a/Rakefile
+++ b/Rakefile
@@ -5,6 +5,7 @@ rescue LoadError
   puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
 end
 
+ENGINE_ROOT = File.dirname(__FILE__)
 APP_RAKEFILE = File.expand_path("../spec/dummy/Rakefile", __FILE__)
 
 if File.exists?(APP_RAKEFILE)