diff --git a/UefiCpuPkg/CpuDxe/CpuDxe.c b/UefiCpuPkg/CpuDxe/CpuDxe.c
index 9e40b4d038..35fba39b43 100644
--- a/UefiCpuPkg/CpuDxe/CpuDxe.c
+++ b/UefiCpuPkg/CpuDxe/CpuDxe.c
@@ -513,7 +513,7 @@ CpuRegisterInterruptHandler (
     return EFI_ALREADY_STARTED;
   }
 
-  SetInterruptDescriptorTableHandlerAddress (InterruptType, NULL);
+  SetInterruptDescriptorTableHandlerAddress ((UINTN)InterruptType, NULL);
   ExternalVectorTable[InterruptType] = InterruptHandler;
   return EFI_SUCCESS;
 }