diff --git a/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf b/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
index 8e0456f8dc..e3a31fa7c6 100644
--- a/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
+++ b/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
@@ -16,7 +16,7 @@
 [Defines]
   INF_VERSION                    = 0x00010005
   BASE_NAME                      = ArmPlatformPrePeiCore
-  FILE_GUID                      = 469fc080-aec1-11df-927c-0002a5d5c51b
+  FILE_GUID                      = b78d02bb-d0b5-4389-bc7f-b39ee846c784
   MODULE_TYPE                    = SEC
   VERSION_STRING                 = 1.0