Lewis Morgan returns to the starting eleven as he replaces John Sutton in the only change to the side that drew with Falkirk.
The winger's season looked to be over after an injury against Ayr United three weeks, but he made a substitute appearance last week and comes in from the start today.
Stelios Demetriou returns to the squad after missing out last week due to illness, while Andy Webster replaces Ben Gordon on the bench.
We'll have all the action covered on our Facebook and Twitter pages with kick-off at 3pm.
St Mirren: O'Brien, Irvine, Baird, MacKenzie, Eckersley, Magennis, Mallan, McGinn, Morgan, Smith, Loy
Subs: Langfield, Webster, Quinn, Storie, Stelios, Todd, Sutton