He said: "I have only got a year left on my contract, so it's bound to happen. Maybe Spartak want to cash in on me now because if they don't, there's a possibility I could leave for nothing.
"But I am happy there just now. When I came back into the team in March when I got fit again, I was probably playing some of the best stuff I have played since I went there and I was happy with everything.
"I am easy. I have enjoyed it and we will see what happens."