Jack Ross has made two changes from the side that beat Spartans 5-1 on Tuesday night at the Paisley 2021 Stadium.
Rocco Quinn comes in for his first start since the 2-0 loss against Dundee in October in place of Lawrence Shankland. While Ben Gordon drops out with injury and is replaced by Jack Baird.
Kick off at the Falkirk Stadium is at 3pm and you can follow all the action on the official Twitter @saintmirrenofficial
St Mirren XI: Gallacher, Naismith, Baird, MacKenzie, Irvine, Quinn, Magennis, McAllister, Mallan, Morgan, Sutton
St Mirren Subs: Langfield, Stewart, McLear, Gallagher, Clarkson, Shankland, Hardie
