diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.h b/MdeModulePkg/Core/DxeIplPeim/DxeIpl.h
index 790ca4545e..1ba0e44214 100644
--- a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.h
+++ b/MdeModulePkg/Core/DxeIplPeim/DxeIpl.h
@@ -133,7 +133,7 @@ GetImageReadFunction (
 EFI_STATUS
 EFIAPI
 DxeLoadCore (
-  IN EFI_DXE_IPL_PPI       *This,
+  IN CONST EFI_DXE_IPL_PPI *This,
   IN EFI_PEI_SERVICES      **PeiServices,
   IN EFI_PEI_HOB_POINTERS  HobList
   );
diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
index 5ac259dd0c..1b3f04e7bd 100644
--- a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
+++ b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
@@ -136,7 +136,7 @@ PeimInitializeDxeIpl (
 EFI_STATUS
 EFIAPI
 DxeLoadCore (
-  IN EFI_DXE_IPL_PPI       *This,
+  IN CONST EFI_DXE_IPL_PPI *This,
   IN EFI_PEI_SERVICES      **PeiServices,
   IN EFI_PEI_HOB_POINTERS  HobList
   )