1 files changed, 2 insertions, 2 deletions
diff --git a/EdkModulePkg/Universal/PCD/Pei/Service.h b/EdkModulePkg/Universal/PCD/Pei/Service.h
index 71a3d7b38f..39737acb83 100644
--- a/EdkModulePkg/Universal/PCD/Pei/Service.h
+++ b/EdkModulePkg/Universal/PCD/Pei/Service.h
@@ -279,8 +279,8 @@ PeiPcdSetBoolEx (
 EFI_STATUS
 EFIAPI
 PeiRegisterCallBackOnSet (
-  IN  UINTN                   TokenNumber,
   IN  CONST EFI_GUID          *Guid, OPTIONAL
+  IN  UINTN                   TokenNumber,
   IN  PCD_PPI_CALLBACK        CallBackFunction
   )
 ;
@@ -289,8 +289,8 @@ PeiRegisterCallBackOnSet (
 EFI_STATUS
 EFIAPI
 PcdUnRegisterCallBackOnSet (
-  IN  UINTN                   TokenNumber,
   IN  CONST EFI_GUID          *Guid, OPTIONAL
+  IN  UINTN                   TokenNumber,
   IN  PCD_PPI_CALLBACK        CallBackFunction
   )
 ;