Bug(?) creating a jazz leadsheet with only chordnames.

Hi, first of all, congratulatins for all the great work done in Musescore, I'm a very happy user of it.
I'm testing the last version (1.1) and find an issue creating a jazz leadsheet with only chordnames. The last four bars appears, as it can be seen at the picture, with the small size until any note is introduced at the pentagram, then, the size becomes normal. It's not really a problem but doesn't looks clean at all if anyone wants to create a simple chords guide.

Thanks a lot.