He told Le Parisien: "It's necessary for the club to recruit another striker.
"Obviously I think about it a little bit. It may change the play one day, especially if it's a high-profile signing.
"It's useless lamenting this though. I know what I have to do and what I'm capable of.
"I'm focusing on me and my work. The coach is counting on me, so I don't think too much."