diff --git a/ArmPlatformPkg/PrePi/PeiUniCore.inf b/ArmPlatformPkg/PrePi/PeiUniCore.inf
index 78d218ae09..83a3df78ac 100644
--- a/ArmPlatformPkg/PrePi/PeiUniCore.inf
+++ b/ArmPlatformPkg/PrePi/PeiUniCore.inf
@@ -2,6 +2,7 @@
 #
 #  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
 #  Copyright (c) 2011-2017, ARM Ltd. All rights reserved.<BR>
+#  Copyright (c) 2020, Arm Limited. All rights reserved.<BR>
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -10,7 +11,7 @@
 [Defines]
   INF_VERSION                    = 0x00010005
   BASE_NAME                      = ArmPlatformPrePiUniCore
-  FILE_GUID                      = d959e387-7b91-452c-90e0-a1dbac90ddb8
+  FILE_GUID                      = 3e401783-cc94-4fcd-97bc-bd35ac369d2f
   MODULE_TYPE                    = SEC
   VERSION_STRING                 = 1.0