Haye pulled out of their planned December bout with a biceps injury but the two fighters have come to an agreement to get back in the ring on Saturday 5th May.
"I'm pleased to get a new date in the diary and I look forward to giving boxing fans a great night on May 5," said Bellew.
"To be honest I was looking forward to a great victory in December and a relaxing family break over Christmas, but my mind is still very much on this fight and I will punish him for that.
"I now have a very clear plan for 2018 and that is to knock out David Haye, and then knock out Tyson 'Stavros Flatley' Fury and end both their careers.
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