diff --git a/lib/cans/application.rb b/lib/cans/application.rb
index 83d7552..f425647 100644
--- a/lib/cans/application.rb
+++ b/lib/cans/application.rb
@@ -1,7 +1,7 @@
 module Cans
   class Application < Sinatra::Base
     set :views, File.dirname(__FILE__) + '/views'
-    set :public, File.dirname(__FILE__) + '/static'
+    set :public_folder, File.dirname(__FILE__) + '/static'
 
     get '/' do
       @constants = Object.constants