Joel Griffiths is blanking demands from Newcastle Jets he return to the club. Griffiths, fresh from winning the Chinese Championship with Beijing Guoan, is fed-up with talks between the two clubs dragging on over a permanent deal.

Jets coach Branko Culina says Griffiths is "not doing the right thing" over his stand-off.

''I really don't want to get involved because I don't know what the previous arrangement was, but I do know that Joel is not doing the right thing," he told the Sydney Morning Herald.

''I spoke to him seven, eight days ago and I said to him, 'Look, Joel, I feel until the matter gets resolved, you can't worry about things you can't control. Don't do silly things and say how your heart's not in it because Newcastle's been good to you. In the meantime, come and train, and whether you stay at Newcastle or move to Beijing, you'll benefit from doing something.'''

Griffiths's agent, John Denison, last week accused the Jets of reneging on a deal to sell Griffiths for $350,000 and suggested that the players' union might soon be brought in to resolve the stand-off.