Hearts keeper Marian Kello has suffered a minor wrist fracture and his place in goal will be taken by Janos Balogh.
Michael Stewart returns from a ban and Ismael Bouzid and Gary Glen are in contention after injury but Suso Santana is an injury doubt.
Aberdeen: (from) Langfield, Foster, Diamond, Mulgrew, McDonald, Kerr, Aluko, Fyvie, MacLean, Mackie, Paton, Ifil, Duff, Nelson, Young, Marshall, Grassi, Megginson.
Hearts: (from) Balogh, L Wallace, Bouzid, Zaliukas, Kucharski, J Thomson, Jonsson, Obua, M Stewart, Stevenson, Kingston, Ridgers, Suso, Smith, R Wallace, Glen, Novikovas, Elliot, Mulrooney, Mole, Templeton.
Source: BBC Sport