diff --git a/ci/site_config.rb b/ci/site_config.rb
index 47b7e9212014a..ac7f658237cae 100644
--- a/ci/site_config.rb
+++ b/ci/site_config.rb
@@ -69,4 +69,4 @@
 
 # any files that you'd like to override in cruise, keep in ~/.cruise, and copy over when this file is loaded like this
 site_css = CRUISE_DATA_ROOT + "/site.css"
-FileUtils.cp site_css, RAILS_ROOT + "/public/stylesheets/site.css" if File.exists? site_css
+FileUtils.cp site_css, Rails.root + "/public/stylesheets/site.css" if File.exists? site_css