--- vagrant-1.2.1/lib/vagrant/environment.rb	2013-04-17 07:29:18.000000000 +0300
+++ vagrant-1.2.1/lib/vagrant/environment.rb	2013-04-21 01:37:09.000000000 +0300
@@ -1,3 +1,4 @@
+require 'rubygems'
 require 'fileutils'
 require 'json'
 require 'pathname'