Since latest git pull I need to set SERVER_PORT for cliupdate.php to work

When running:
%php cliupdate.php
I get

[2020-12-22 14:00:00] selfoss.ERROR: Undefined index: SERVER_PORT

My fix:
% SERVER_PORT=80 php cliupdate.php

I don't see why I need to define SERVER_PORT
Tried to grep where it is defined, however can't seem to find it.