David Moyes admitted Sunderland's increasingly improbable Premier League survival mission has fallen behind schedule after Saturday's goalless draw against Burnley.
The hosts' failure to capitalise on a series of chances left them seven points off safety and will force Moyes to recalculate his side's route to another great escape during the international break.
Moyes said: 'It's not enough - it would have been down as one of the wins in my book, so now we have to turn one of the draws I had down into a win.
'The players know exactly how much it means and they know we have to win.