Mark Reynolds is set to make his Aberdeen debut in the Scottish Cup fourth round clash with Forfar after the Dons completed the paperwork on his loan deal from Sheffield Wednesday.
The defender will replace Richard Foster in the squad after Aberdeen accepted an offer from Bristol City for their captain.
Andrew Considine and Rob Milsom are suspended while Youl Mawene again misses out through injury.
Aberdeen (from): Brown, Jack, Mackie, Pawlett, Clark, Arnason, Osbourne, Vernon, Fallon, Magennis, Gonzalez, McArdle, Robertson, Megginson, Grimmer, Fyvie, Chalali, Reynolds.
