[Coldbox 6.6.1] Cached Events and 404 Response Codes

I’m using Coldbox’s event caching but I have noticed that the final response code in the header is not preserved on subsequent calls to the same event. So, the first request might return a 404 HTTP response code as expected but the second request to the same URL will always return a 200 HTTP response code (even though the rendered content is the same).

Is there a way to tell Coldbox to also cache the response code?

This is how I’m setting the HTTP header in the cached handler.
event.setHTTPHeader( "404", "Not Found" );

First request:

Subsequent (cached) requests:

Created issue: [COLDBOX-1100] - Welcome