diff --git a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
index eda47b93ef..38837b9bb6 100644
--- a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
+++ b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
@@ -1,7 +1,7 @@
 /** @file
   MM IPL that load the MM Core into MMRAM at PEI stage
 
-  Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2024 - 2025, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -795,7 +795,7 @@ ExecuteMmCoreFromMmram (
                     MmFvSize,
                     &MmCoreFileName,
                     ImageContext.ImageAddress,
-                    ImageContext.ImageSize,
+                    EFI_PAGES_TO_SIZE (PageCount),
                     ImageContext.EntryPoint,
                     Block
                     );