diff --git a/lib/ansi_color.rb b/lib/ansi_color.rb
index 12b6999..4352b65 100644
--- a/lib/ansi_color.rb
+++ b/lib/ansi_color.rb
@@ -1,4 +1,4 @@
-require './lib/ansi_rgb'
+require File.join(File.dirname(__FILE__), 'ansi_rgb')
 
 module Sickill
   module Rainbow