diff --git a/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c b/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c
index c9792eeaa1..d011858cb9 100644
--- a/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c
+++ b/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c
@@ -263,7 +263,7 @@ Returns:
   // for safety (PpisNeededByDxe and DxeCore).
   //
   TopOfStack = BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT;
-  TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);
+  TopOfStack = (EFI_PHYSICAL_ADDRESS) ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);
 
   //
   // Add architecture-specifc HOBs (including the BspStore HOB)