diff --git a/MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c b/MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c
index 74908a379b..8cc31bd51c 100644
--- a/MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c
+++ b/MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c
@@ -102,5 +102,5 @@ InitializeSeparateExceptionStacks (
   IN OUT UINTN  *BufferSize
   )
 {
-  return EFI_UNSUPPORTED;
+  return EFI_SUCCESS;
 }