diff --git a/Library/Homebrew/test/uninstall_test.rb b/Library/Homebrew/test/uninstall_test.rb
index 06b067886b..5c53988f24 100644
--- a/Library/Homebrew/test/uninstall_test.rb
+++ b/Library/Homebrew/test/uninstall_test.rb
@@ -1,3 +1,4 @@
+require "testing_env"
 require "cmd/uninstall"
 
 class UninstallTests < Homebrew::TestCase