Pasting note on multi-voice downstem note produces headless note

1. Create score.
2. Enable 'Note Entry'.
3. Select Voice 1.
4. Enter crotchet on F (above middle C).
5. Select Voice 2.
6. In the next bar, enter crotchet on F (above middle C).
7. Disable 'Note Entry'.
8. Click note head of Voice 1 crotchet.
9. Copy.
10. Click note head of Voice 2 crotchet.
11. Paste.
12. Undo.
13. Paste.

Result: Voice 2 crotchet is a slightly shorter stem, also without a note head.

Using MuseScore 2.0 Nightly Build (4631) - Mac 10.6.8.