Mauricio Pochettino refused to kill off talk of joining Real Madrid.
The Spanish giants are having an awful season under iconic boss Zinedine Zidane.
Spurs chief Poch, who will be in Real’s sights if Zidane is axed, said: “I’m working to be here forever but you never know what’s going to happen in football. The chairman can change his mind and say out.
“Tomorrow Daniel Levy could say, ‘Mauricio, I’m going to sack you.’
“I’ll look stupid saying I’m not going to work in one place. You never know as football is so unstable.”
Zizou’s European champs were shocked in the cup this week by Leganes and are 19 points off leaders Barcelona in La Liga.
They also lost 3-1 at Spurs as Poch’s side topped their Champions League group.
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But the North Londoners’ boss is under pressure to end the club’s decade-long trophy drought.
Arsene Wenger hinted his Carabao Cup finalists Arsenal are judged by different standards to bitter rivals Spurs.
But Poch hit back: “For me, he is a special manager. But everyone makes mistakes and, for me, he made a mistake talking about us.”