Hearts defender Shaun October will miss Sunday's CAF Confederation Cup return leg Olympique Ngor with a stomach problem.
The South African missed the side's 2-1 defeat at Inter Allies on Sunday due to the setback.
The impressive left-back has been left out of the squad which will travel to Senegal for the crucial return tie.
Hearts must protect a 2-1 lead from the first leg to advance to the final qualifying round where either Petrojet or Djoliba awaits.