Ancelotti said: "Everyone has a lot to play for at this stage of the season and every team is more committed than ever. We have to show another attitude and increased intensity.
"We're well aware of what we need to do and what we are going to do. We did not perform well in the last game in front of our fans and tomorrow we have to show a different side to ourselves."
Following the Girona match, which was our best performance of the season, we've struggled and perhaps we've stepped our foot off the gas a bit. We have to think about where we haven't been doing things so well, that's how we'll improve. We're not concerned, we evaluate things in the most critical manner and we have to improve.
"We lacked intensity and a good attitude on Wednesday and tomorrow we have to make sure we get those things right."