Jody Morris has recovered from a virus in time for St Johnstone's Clydesdale Bank Premier League clash with Falkirk at McDiarmid Park.
Midfielder Martin Hardie (calf) and striker Collin Samuel (knock) are extremely doubtful, as is midfielder Kevin Moon (ankle).
Striker Steven Milne is still out with an ankle injury.
Falkirk's Burton O'Brien has been ruled out with a stomach muscle strain.
Eddie May will also give late fitness tests to Danijel Marceta, Brian McLean and Ryan Flynn, who all picked up heavy knocks in the goalless draw with Hearts.
Carl Finnigan (ankle) and Thomas Scobbie (pelvis) remain on the sidelines.
Teams:
St Johnstone (from): Smith, MacKay, Rutkiewicz, Anderson, Gartland, Grainger, Millar, Davidson, Sheerin, Morais, Craig, Johansson, Moon, Deuchar, Main, McCaffrey, May, Samuel, Hardie.
Falkirk (from): Olejnik, McNamara, Barr, McLean, Mitchell, Lima, Marceta, Lynch, Arfield, Finnbogason, Stewart, Robertson, MacDonald, Flynn, Twaddle, Allison, Murdoch, Wagenaar.