diff --git a/Library/Homebrew/test/test_x11_deps.rb b/Library/Homebrew/test/test_x11_dependency.rb
similarity index 96%
rename from Library/Homebrew/test/test_x11_deps.rb
rename to Library/Homebrew/test/test_x11_dependency.rb
index 0d5e3978ba..884a7cd271 100644
--- a/Library/Homebrew/test/test_x11_deps.rb
+++ b/Library/Homebrew/test/test_x11_dependency.rb
@@ -1,5 +1,6 @@
 require 'testing_env'
-require 'requirements'
+require 'extend/set'
+require 'requirements/x11_dependency'
 
 class X11DependencyTests < Test::Unit::TestCase
   def test_eql_instances_are_eql