Can't give Cues a blank name field

Another bug I've noticed with 3.3.0 on Hog4PC/Windows 10 - I haven't tried it on a console yet - Is I can only give a Cue a blank Cue Name directly after the cue has been recorded using the Quick Name option
If I try to edit the Cue name at a later stage I am unable to assign that field to be empty/blank