Ottavas playback is lost in parts after save - reload

2.0.3 / Windows 7

1) "My First Score"
2) Enter some notes, and add an ottava line. Or, load this test file: test ottava 1.mscz
3) Generate parts -> New all -> Ok
4) Launch the playback in main score and in part
Result: as expected.
5) Return in main score -> Save the score
6) Reload

Result: the ottava playback is lost in the part: test ottava 1 parts.mscz