Bracket positioning differs between full score and part

1. Open attached score.
2. 'File'>'Parts…'.
3. 'New'.
4. Tick instrument.
5. 'OK'.
6. View part.

Result: The positioning of the bracket differs between full score and the part.

Full score:

Part:

Using MuseScore 2.0 Nightly Build (9fd8764) - Mac 10.7.5.