Reading striker Dave Kitson failed to travel to Suffolk with the rest of the Royals squad after suffering an injury in a training ground clash of heads with defender Peter Castle. The former Cambridge United man could still join up with the party on Tuesday, but is considered a doubt.
Reading, who will equal their best ever league unbeaten run of 19 games if Town fail to win, are definitely without Icelandic midfielder Brynjar Gunnarsson who remains on the sidelines with a groin strain.
Steve Sidwell, only recently back from a knee injury, is OK after hurting his foot against Hull at the weekend.