Italy defender Marco Materazzi is not yet ready to call time on his feud with Zinedine Zidane.
Zidane was dismissed in the World Cup final in July for a headbutt on the Internazionale stopper after the pair exchanged words.
Materazzi has admitted to insulting Zidane's sister prior to the Frenchman's actions in extra time and has since apologised for his comments.
However, Materazzi is still waiting on an apology from Zidane and will be unwilling to shake hands with the former Real Madrid ace until that time.
"It could happen one day but all the conditions will have to be met," Materazzi told RTL.
"At the end of the day, it was me who received the headbutt, not him. I have apologised. Now I am waiting (for Zidane's apology).
"When the time comes to meet one another, there will not be any problem, I know that he has made a mistake, just like I have. Those things happen on a football pitch."