diff --git a/lib/casein/engine.rb b/lib/casein/engine.rb
index eb13972..cc0a525 100644
--- a/lib/casein/engine.rb
+++ b/lib/casein/engine.rb
@@ -6,7 +6,7 @@ module Casein
   class Engine < Rails::Engine
     
     initializer "casein.assets.precompile" do |app|
-      app.config.assets.precompile += %w(casein/login.css casein/casein.css casein/casein.js casein/html5shiv.js casein/custom.css casein/custom.js casein/*.png)
+      app.config.assets.precompile += %w(casein/login.css casein/casein.css casein/casein.js casein/html5shiv.js casein/custom.css casein/custom.js casein/auth_custom.css casein/auth_custom.js casein/*.png)
     end
 
     rake_tasks do