diff --git a/Library/Homebrew/test/test_os_mac_blacklist.rb b/Library/Homebrew/test/test_os_mac_blacklist.rb
index e5becc9d22..26dd84ed9f 100644
--- a/Library/Homebrew/test/test_os_mac_blacklist.rb
+++ b/Library/Homebrew/test/test_os_mac_blacklist.rb
@@ -1,7 +1,7 @@
 require "testing_env"
 require "blacklist"
 
-class BlacklistTests < Homebrew::TestCase
+class OSMacBlacklistTests < Homebrew::TestCase
   def assert_blacklisted(s)
     assert blacklisted?(s), "'#{s}' should be blacklisted"
   end