The 38-year-old has been out since January 26 but is fully recovered and will add some much-needed experience to the side.
Spot-kick: Alexander scored in the reverse fixture earlier in the season
Scotland striker Steven Fletcher is expected to play with a light cast on his wrist having broken a hand in training on international duty earlier this week.
Chris McCann is still ruled out with a knee injury which has sidelined him for the last four matches.
Provisional squad: Jensen, Alexander, Mears, Fox, Carlisle, Bikey, Cort, Eagles, Edgar, Elliott, Cork, McDonald, Paterson, Fletcher, Blake, Thompson, Duff, Penny, Gudjonsson, Nimani, Weaver.
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