The veteran striker suffered a knee injury during the first half of Tuesday night's 2-0 defeat at Crawley and will be assessed.
Mathias Pogba is an option for boss Steve Davis in Ellington's expected absence having returned from international duty with Guinea.
Defender Gregor Robertson was another casualty against the Red Devils and is sidelined with an Achilles problem, with Matt Tootle expected to come in at full-back having come on as a half-time replacement at the Broadfield Stadium.
On-loan Newcastle youngster Brad Inman is back in contention for the first time since injuring his ankle against Hartlepool last month but fellow midfielder and captain Luke Murphy (groin) will miss out.
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