Worried Shaun Maloney says Kevin Nisbet's injury "doesn't look good" after the striker went off against Celtic.
And the Hibs boss appeared furious with Carl Starfelt's challenge that left Nisbet in agony.
It was a cagey clash at Easter Road as Hibs held on for a point against the Premiership leaders but celebrations were overshadowed slightly by a first-half blow to Nisbet.
