Glenn Whelan dropped out of the reckoning for the Boxing Day defeat by Hibernian and his Tynecastle future looks in doubt.
Aberdeen striker Sam Cosgrove serves the second of a two-game ban.
Defender Andrew Considine dropped out of the starting XI just before the 2-1 win over Livingston with a hip injury and will be assessed.
Hearts provisional squad: Pereira, Smith, White, Hickey, Berra, Halkett, Dikamona, Bozanic, Clare, Mulraney, MacLean, Keena, Meshino, Wighton, Damour, Ikpeazu, Henderson, Zlamal.
Aberdeen provisional squad: Lewis, Logan, Vyner, Considine, McKenna, Taylor, Devlin, Gallagher, Hedges, Anderson, D Campbell, McGinn, Ojo, McLennan, Cosgrove, Wilson, Gleeson, Ferguson, Main, Cerny.