diff --git a/test/win32ole/test_win32ole_event.rb b/test/win32ole/test_win32ole_event.rb
index b9902a0b8b..79fe9ddc72 100644
--- a/test/win32ole/test_win32ole_event.rb
+++ b/test/win32ole/test_win32ole_event.rb
@@ -137,9 +137,8 @@ if defined?(WIN32OLE_EVENT)
         ev.on_event(:OnObjectReady) {|*args|
           handler1
         }
-        message_loop
-        # @event1 randomly becomes "" here: https://ci.appveyor.com/project/ruby/ruby/builds/20975541/job/b380m0q9ed0rdv7v
-        assert_match_with_retries(/\Ahandler1\z/, :@event1)
+        message_loop(:@event1)
+        assert_equal("handler1", @event1)
       end
 
       private