Rafael Benitez admitted he was surprised by Newcastle's lack of activity in the transfer window.
Benitez's side missed the chance to go top of the Sky Bet Championship on Wednesday night when Ciaran Clark's late own goal consigned them to a 2-2 draw against QPR.
Newcastle did not add to their squad during January, leaving their manager to cope with what he has already got as he tries to lead the club back to the Premier League at the first attempt.
A tetchy Benitez said: 'I can't change things now.