diff --git a/MdeModulePkg/Universal/PCD/Pei/Service.h b/MdeModulePkg/Universal/PCD/Pei/Service.h
index 3ffdd6f9a6..fb5c8a37ab 100644
--- a/MdeModulePkg/Universal/PCD/Pei/Service.h
+++ b/MdeModulePkg/Universal/PCD/Pei/Service.h
@@ -928,7 +928,7 @@ PeiRegisterCallBackWorker (
   IN  CONST EFI_GUID         *Guid, OPTIONAL
   IN  PCD_PPI_CALLBACK   CallBackFunction,
   IN  BOOLEAN            Register
-);
+  );
 
 /**
   The function builds the PCD database.