Sone Aluko could make his return from injury in the game.
Aluko has been troubled by an Achilles injury but could be back in action for the fifth-round clash at Pittodrie.
Ryan Jack should be fit to take part after being forced out of the midweek defeat to Celtic with a shin injury but David McNamee is a doubt with a groin problem.
Aberdeen (from): Langfield, McNamee, Smith, Diamond, Considine, McArdle, Milsom, Hartley, Jack, Young, Vernon, Maguire, Blackman, Howard, Anderson, Paton, Magennis, Pawlett, Aluko.
