Real Madrid boss Carlo Ancelotti has admitted that he is growing concerned for his team's vulnerability from set-piece situations.

Los Blancos conceded from a corner in Wednesday's 2-1 win away to Ludogorets Razgrad, and Ancelotti admits that it is an area for improvement ahead of Sunday's clash with Athletic Bilbao.

He told reporters: "Of course we are concerned. And more so because we're playing [Ernesto] Valverde's team. We're working to fix it. Madrid though aren't the only team who concede from set-pieces. It happens to Barcelona too.

"We're working on it. Also, we have scored a lot of goals from set pieces too."

Kickoff at the Bernabeu tonight is scheduled for 8pm.