Elliot had to be replaced by Darren Randolph during the first half of Saturday's 1-1 draw against Tranmere after suffering a back injury.
The problem is not serious but he will need a late fitness test.
Striker Akpo Sodje will be added to the squad after rejoining on loan from Sheffield Wednesday, and youngster Jonjo Shelvey is back in contention after being rested at the weekend.
On-loan Sheffield United winger Kyel Reid came off as a precaution with tight calves on an encouraging debut and should be fine to start again.
Kelly Youga is still missing with a knee injury so Grant Basey will continue at left-back.