Zayatte is currently on a season-long loan from Young Boys Berne and have an option to sign him next summer.
“(Hull chairman) Paul Duffen spoke with the president of Young Boys Berne,” Zayatte’s agent Willie McKay told the Hull Daily Mail.
“He’s a very clever negotiator and Zayatte could be worth three times the fee
Duffen agreed with them at the time.
“But Kamil is very happy to be at Hull. He’s delighted with the coaches and his team-mates.
“He’s loving it there and he’s been welcomed with open arms by the fans.”