Dereck Chisora's world heavyweight title challenge against Wladimir Klitschko has been re-arranged for April 30.
Klitschko, the IBF and WBO champion, had been due to defend his belts against Chisora on December 11 in Germany until a stomach injury forced the Ukrainian to pull out just three days before the fight.
It was confirmed on Wednesday that the fight will go ahead in the spring, with Germany remaining the venue for the bout.
"This news is a fantastic late Christmas present," British and Commonwealth champion Chisora said.
"I always believed that I would fight Klitschko, and my faith has been repaid. I was a bit worried that he might try and fight an easier touch, but I think I've earned my opportunity.
"I was gutted when Wladimir pulled out of our fight just a couple of days beforehand. But now I've got another chance to take his titles away.
"He's a great world champion, but his time at the top is well and truly up.
"My promoter Frank Warren has done a great job in getting me this opportunity because there was no guarantee Wladimir would fight me again after he got injured."
The news leaves WBA champion David Haye's future unclear. Chisora's fellow Londoner has been in protracted negotiations with Klitschko over a unification bout.