Oldham are sweating on the fitness of Joseph Mills ahead of Swindon's visit to Boundary Park.
The on-loan left-back, who has featured in all 12 games since arriving from Burnley in August, was forced off with a hamstring injury during Tuesday night's 2-0 defeat at Wolves and is rated as 50-50 by Latics boss Lee Johnson.
Striker Charlie MacDonald is still struggling with the ankle injury he sustained against Carlisle last Saturday.
Cristian Montano replaced him at Molineux but fellow attackers Adam Rooney, Kirk Millar and Johnson Clarke-Harris are all pushing for inclusion as Oldham chase successive home victories for the first time this season.
Swindon will be without regular left-back Jay McEveley.
The experienced former Blackburn defender picked up his fifth yellow card of the season in Tuesday night's 3-1 defeat to Walsall which means Mark Cooper will be without one of his most consistent performers at Boundary Park.
Ryan Harley looks set to miss out again along with fellow knee injury victims Tijane Reis and Alex Smith while Aaron Oakley's foot problem rules him out once more.
Ryan Mason is pushing for a start after another 45 minutes in midweek while Nathan Thompson is expected to start again having shrugged off the illness bug which saw him miss the victory over Notts County.