Stenhousemuir will probably be without one of their players for this game. Saints John Baird is on loan at the third division side, and it's extremely unlikely he'll be allowed to play.
The full draw is:
Hibernian v Peterhead
Cowdenbeath v Falkirk
Motherwell v Partick Thistle
Ayr United v Dunfermline
Dundee United v Airdrie United
Alloa v Ross County
Inverness Caledonian Thistle v Dumbarton
Brechin City v Livingston
St Johnstone v Elgin City
Queen of the South v Kilmarnock
St Mirren v Stenhousemuir
Queen's Park v Aberdeen
Celtic, Hearts, Rangers and Gretna all receive byes as they are playing in Europe.