Hearts striker Uche Ikpeazu faces a race against time to be fit to face Celtic in the Scottish Cup final.
The powerful forward pulled up in Saturday's 1-0 loss to Kilmarnock with a hamstring complaint.
And boss Craig Levein admits the goalscorer - who has terrorised defences this season - may miss out on the season finale on May 25 when Hearts take on Celtic.
Anxious Levein said: "His hamstring was a bit tight at half time.
"He felt he could go back out in the second half and try it and I said to him that if he feels anything, there’s no point in carrying on and making it worse.
"So, I’m quite confident that we’ve not got any serious damage or anything like that.
“Sometimes you get warnings with hamstrings and sometimes it’s just tiredness and it can go away
"By the time he’d had some rub at half time, he felt better, but he felt it again.
"If he recovers in ten days time then I might play him in the Celtic game, but we’ll see. I’ll have to be careful.
"I’ve already got Peter Haring touch and go on whether he gets a game before the final - or whether he makes the final.”
