diff --git a/test/jdk/ProblemList-zgc.txt b/test/jdk/ProblemList-zgc.txt
index 8fd7a85d1c4..d6db2da1b8d 100644
--- a/test/jdk/ProblemList-zgc.txt
+++ b/test/jdk/ProblemList-zgc.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -26,3 +26,5 @@
 # List of quarantined tests for testing with ZGC.
 #
 #############################################################################
+
+com/sun/management/DiagnosticCommandMBean/DcmdMBeanTestCheckJni.java 8260378 windows-all