--- vagrant-1.2.2/bin/vagrant
+++ vagrant-1.2.2/bin/vagrant
@@ -5,6 +5,9 @@
 # initializing which have historically resulted in stack traces.
 Signal.trap("INT") { exit 1 }
 
+ENV.delete('GEM_HOME')
+ENV.delete('GEM_PATH')
+
 require 'log4r'
 require 'vagrant'
 require 'vagrant/cli'