--- a/src/java.base/windows/classes/java/net/DefaultDatagramSocketImplFactory.java	Thu Nov 21 11:31:58 2019 +0000
+++ b/src/java.base/windows/classes/java/net/DefaultDatagramSocketImplFactory.java	Wed Nov 20 10:13:10 2019 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2019, 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
@@ -100,7 +100,7 @@
             if (!preferIPv4Stack && !isMulticast)
                 return new DualStackPlainDatagramSocketImpl(exclusiveBind);
             else
-                return new TwoStacksPlainDatagramSocketImpl(exclusiveBind && !isMulticast);
+                return new TwoStacksPlainDatagramSocketImpl(exclusiveBind && !isMulticast, isMulticast);
         }
     }
 }