The defender twisted his knee against St Johnstone while Stuart Armstrong is banned after his red card at McDiarmid Park.
However, midfield playmaker John Rankin returns from suspension.
Defender Gary Mackay-Steven is doubtful after missing Monday's draw at St Johnstone with a hamstring injury.
Striker Johnny Russell (broken leg) and defender Gavin Gunning (knee) remain on the sidelines.
- Sports & Recreation
- St Johnstone