The Argentine is keen to remain at Selhurst Park but does not know when his future will be decided
The 34-year-old is out of contract at the end of the season, having plied his trade at Selhurst Park since joining from Dundee in 2004.
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However, with the stopper confirming that contract talks continue to drag on without resolution, he remains unsure as to when his future will be decided.
"At the moment I don't know what's going to happen," he told reporters.
"As a professional footballer I need to understand different situations and I can't say any more than that.
"As a player you prefer to sort things a lot earlier but sometimes you have to adapt to how the circumstances go.
"At the moment I just have to see what happens. I thank the fans for all their support and I know they want me to stay.
"I want to stay - and I think the club wants me to stay as well. We need to sort things out. When? I'm not really sure.
"There have been some talks but I don't think it's going to happen any time soon."