1 files changed, 3 insertions, 1 deletions
diff --git a/MdePkg/Include/Protocol/Mtftp6.h b/MdePkg/Include/Protocol/Mtftp6.h
index b9836607ec..b39575d175 100644
--- a/MdePkg/Include/Protocol/Mtftp6.h
+++ b/MdePkg/Include/Protocol/Mtftp6.h
@@ -4,6 +4,8 @@
   multicast TFTP operations.
 
   Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.<BR>
+  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
+
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -70,7 +72,7 @@ typedef struct _EFI_MTFTP6_TOKEN    EFI_MTFTP6_TOKEN;
 ///
 /// The MTFTPv6 operation was illegal.
 ///
-#define EFI_MTFTP6_ERRORCODE_ILLEGAL_OPERATION     6
+#define EFI_MTFTP6_ERRORCODE_ILLEGAL_OPERATION     4
 ///
 /// The transfer ID is unknown.
 ///