diff --git a/config/application.rb b/config/application.rb
index 58e30a9..c83a80b 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -15,7 +15,7 @@ if defined?(Bundler)
   # Bundler.require(:default, :assets, Rails.env)
 end
 
-require_relative 'confstruct'
+require File.expand_path('../confstruct', __FILE__)
 
 module AsciiIo
   class Application < Rails::Application