How should that work? PFL = PRE FADER LISTENING
It’s designed to listen to the sound without opening the fader before the music is broadcasted “on air”.
So the only way to solve this is to set the PFL output to a different channel.
If these two clicks to activate and deactivate the PFL cue on an extra channel is too “exhausting” you could set up a script that activates the cue button of a designated channel automatically: