diff --git a/Library/Homebrew/test/test_ENV.rb b/Library/Homebrew/test/test_ENV.rb
index 276d9ec92f..d2f4b59f7e 100644
--- a/Library/Homebrew/test/test_ENV.rb
+++ b/Library/Homebrew/test/test_ENV.rb
@@ -2,7 +2,9 @@ require 'testing_env'
 require 'utils'
 require 'hardware'
 require 'extend/ENV'
+require 'extend/ARGV'
 ENV.extend(HomebrewEnvExtension)
+ARGV.extend(HomebrewArgvExtension)
   
 class EnvironmentTests < Test::Unit::TestCase
   def test_ENV_options