Hearts' Jose Goncalves and Ruben Palazuelos return from injury and suspension respectively but Christian Nade is missing due to a one-match ban.Andrew Driver, David Templeton, Gary Glen, Johnny Stewart, Laryea Kingston, Dawid Kucharski, Arvydas Novikovas and Jamie MacDonald are out for the hosts.
Striker Lee Miller returns to the Aberdeen squad after a three-match ban.
Zander Diamond may be on the bench after injury but Peter Pawlett, Andrew Considine and Sone Aluko remain out.
Hearts: (from) Balogh, Zaliukas, Goncalves, Bouzid, Cinikas, J Thomson, Jonsson, Obua, Palazuelos, M Stewart, Suso, Wallace, Black, Mole, Kello, Robinson, Smith, Visconte, Mulrooney.
Aberdeen: (from) Langfield, Young, Ifil, Grassi, Mulgrew, Foster, Fyvie, Kerr, McDonald, Marshall, Miller, Mackie, Maguire, Diamond, Duff, Paton, Jack, Nelson.
Source: BBC Sport
Source: BBC Sport