Gary McDonald will not be in the Aberdeen squad for tomorrow's Clydesdale Bank Premier League game at Hearts after failing a fitness test.
The midfielder has a hip injury but should be fit to face Dundee United next weekend.
Defender Zander Diamond returns from an ankle injury after missing the Dons' 1-0 defeat to Falkirk two weeks ago. Long-term absentee Jamie Smith will again not feature but returns to full training next week.
Team (from): Langfield, Foster, Mulgrew, Mair, Severin, Kerr, Vidal, Duff, McDonald, Miller, Mackie, Bossu, Diamond, Young, Aluko, Wright, Maguire, Crawford.