diff --git a/MdeModulePkg/Include/UniversalPayload/UniversalPayload.h b/MdeModulePkg/Include/UniversalPayload/UniversalPayload.h
index 1a42d61f77..bb40f240f6 100644
--- a/MdeModulePkg/Include/UniversalPayload/UniversalPayload.h
+++ b/MdeModulePkg/Include/UniversalPayload/UniversalPayload.h
@@ -18,7 +18,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 typedef  VOID (EFIAPI *UNIVERSAL_PAYLOAD_ENTRY)(VOID *HobList);
 
-#define UNIVERSAL_PAYLOAD_IDENTIFIER                    SIGNATURE_32('U', 'P', 'L', 'D')
+#define UNIVERSAL_PAYLOAD_IDENTIFIER                    SIGNATURE_32('P', 'L', 'D', 'H')
 #define UNIVERSAL_PAYLOAD_INFO_SEC_NAME                 ".upld_info"
 #define UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_PREFIX         ".upld."
 #define UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_PREFIX_LENGTH  (sizeof (UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_PREFIX) - 1)