The Republic of Ireland international was used as a 69th-minute substitute in the first leg at Portman Road last Saturday, which ended 1-1.
Gary Hooper, who was introduced in the 86th minute, will also be pushing for a start with any changes likely to be minimal.
Striker Lewis Grabban completes his three-match suspension which means he would be available for the final at Wembley should the Canaries advance.
Ipswich striker David McGoldrick could return to action following a three-month injury lay-off, but Luke Varney will play no part.
McGoldrick was an unused substitute in the first leg following a thigh injury that had kept him out since early February, while Varney, on loan from Blackburn, ruptured his Achilles tendon during the first half at Portman Road.
Goalkeeper Dean Gerken shook off a knock to take his place on the bench in the first leg and will provide back up for Bartosz Bialkowski.
Midfielder Luke Hyam remains doubtful due to the knee injury that has kept him out since January.