Dundee have received an injury boost after Iain Davidson played for their reserve side against East Stirlingshire in midweek.
Davidson has been missing for five weeks due to a hamstring problem but he got an hour under his belt as the second string were defeated 2-1.
Nicky Riley, who has not started a game since being injured against Dumbarton at the end of last year, also featured and both players have been added to the squad for the visit of Morton.