How did I miss this?!

config/rackup.ru

@@ -1,16 +1,8 @@
-# This is for convenice.  The defacto Sinatra standard
-# is to name your application file after it's parent
-# directory
-parent_directory = File.expand_path(File.dirname(__FILE__) + '/..')
-application_name = parent_directory.split("/").last
-require "#{parent_directory}/#{application_name}.rb"
-
-# You can optionally just say
-#
-# require File.dirname(__FILE__) + '/../heroku-sample-app'
+require File.dirname(__FILE__) + '/../heroku-sinatra-app'
 
 # This is a must.  You will get a 500 if these
-# are enabled on Heroku.
+# are enabled on Heroku.  A newer version of sinatra will
+# remove the need for this.
 disable :run, :reload
 
 # Finally, let's jam!