diff --git a/config.ru b/config.ru
index 261d1e71c..d29422417 100644
--- a/config.ru
+++ b/config.ru
@@ -1,9 +1,17 @@
-require './kibana'
-require 'rubygems'
-require 'sinatra'
+root_dir = File.dirname(__FILE__)
+app_file = File.join(root_dir, 'kibana.rb')
+
+require app_file
+
+begin
+  require 'sinatra'
+rescue LoadError
+  require 'rubygems'
+  require 'sinatra'
+end
 
 set :environment, ENV['RACK_ENV'].to_sym
-set :app_file,     'kibana.rb'
+set :app_file, app_file
 disable :run
 
 run Sinatra::Application