Home gaffer Steve Evans is still without David Worrall after a hernia operation while Claude Davis is a doubt after a hamstring problem, despite returning to training this week.
Kari Arnason is also unavailable after being called up by Iceland for international duty, but Matt Tubbs has shrugged off a knock that kept him out of the Johnstone's Paint Trophy match against York in midweek.
Tom Eaves has recovered from a virus and Michael O'Connor is in the squad after overcoming a groin strain, whilst Daniel Nardiello is also fit after missing the win at Brentford last weekend.
Swindon will be without Ryan Harley and Ryan Mason again. They have been sidelined with knee and thigh problems respectively in recent weeks and the Robins will be missing the pair as they look to pick up their first away win of the season in the league.
Goalkeeper Wes Foderingham should be fit for selection after an illness just before kick-off on Tuesday saw him miss their 2-1 win over Plymouth in the Johnstone's Paint Trophy.
Alex Smith and Tijane Reis are still sidelined as Mark Cooper's men look for their ninth victory over Rotherham in the last 11 meetings between the sides.
Source: PA
Source: PA