diff --git a/Library/Contributions/examples/brew-test.rb b/Library/Contributions/examples/brew-test.rb
index ac57a317ae..fad657c4d0 100755
--- a/Library/Contributions/examples/brew-test.rb
+++ b/Library/Contributions/examples/brew-test.rb
@@ -1,3 +1,6 @@
+require 'extend/ENV'
+ENV.extend(HomebrewEnvExtension)
+
 ARGV.formulae.each do |f|
   # Cannot test uninstalled formulae
   unless f.installed?