"There's always speculation, not just about me, but about the future of players all around the world," he told the official United website.
"People were speaking about me this summer, but that was normal because of what I did during the season.
"What people are saying now is not true.
"Who says that I am a liar because I am happy at the club, I want to stay here.
"I feel at home here and I feel very happy here."