diff --git a/lib/buildkite/test_collector/library_hooks/minitest.rb b/lib/buildkite/test_collector/library_hooks/minitest.rb
index fe96b6d..a9f269e 100644
--- a/lib/buildkite/test_collector/library_hooks/minitest.rb
+++ b/lib/buildkite/test_collector/library_hooks/minitest.rb
@@ -7,7 +7,7 @@
 
 Buildkite::TestCollector.uploader = Buildkite::TestCollector::Uploader
 
-class MiniTest::Test
+class Minitest::Test
   include Buildkite::TestCollector::MinitestPlugin
 end