Rangers duo Nikica Jelavic and Kyle Lafferty are injury concerns ahead the game.
The pair - who both scored in Sunday's Old Firm derby win - are struggling with slight niggles following the 4-2 victory over Celtic.
Matt McKay also has a knock picked up in training and all three will be monitored over the next 24 hours ahead of the third round clash.
Rangers (from): McGregor, Whittaker, Papac, Bocanegra, Goian, Davis, Naismith, Edu, Wylde, Lafferty, McCulloch, Jelavic, Healy, Ortiz, Broadfoot, Perry, Fleck, Alexander.
