Free ride in custom workout defaulting to "Flatroad =0"

I have noticed recently that free ride blocks in Zwift custom workout builder sets flatroad=0 which doesn’t allow for manual incline adjustments during the workout. Was this by design or a mini bug? Doesn’t bother me either way as we can just edit the WO file but it would be great if we could just make the choice while in the editor.

Ride on
David