Celtic will be boosted by the return of Ryan Christie from suspension for their Premiership clash with St Mirren on Wednesday.
But there are doubts over Vakoun Issouf Bayo and Tom Rogic. Bayo is a major doubt and will have a scan before a decision is made while Rogic has inflammation around his knee.
Christopher Jullien should be available for Neil Lennon after illness while Olivier Ntcham is back in training.
Leigh Griffiths and Mikey Johnston are set to return to training on Thursday while Jozo Simunovic (knee) remains out alongside Daniel Arzani (knee).
St Mirren expect to have Gary McKenzie back after the defender missed the defeat by Kilmarnock.
Loan player Calum Waters also returns after being forced to sit out the game against his parent club.
Tony Andreu and Paul McGinn are expected to brush off knocks they picked up at Rugby Park while Cody Cooke is pushing for a comeback after a knee injury.
Predicted lineup
Celtic provisional squad:
Forster,
Frimpong,
Bauer,
Elhamed,
Ajer,
Bolingoli,
Jullien,
Taylor,
Rogic,
Bitton,
Brown,
McGregor,
Ntcham,
Forrest,
Edouard,
Christie,
Hayes,
Morgan,
Bayo,
Elyounoussi,
Gordon.
