Real Madrid manager Carlo Ancelotti says that his team was slow in attack and must improve after their 1-0 defeat to derby rivals Atletico Madrid.
Los Blancos lost their first derby to their neighbours in the league since the 1990's and Ancelotti was not impressed with what he saw on the day.
"We were slow in attack. We didn't have a good game. We have to recover and improve," he told reporters.
"Losing a match at home is not easy. I have to think about solutions. We played well up until last week. We have to continue working with the same system but I'm confident we will improve.
"We must improve a lot of things including our attitude and confidence. I have faith in my players. The problem is not our style of play; it's with our pace.
"Atletico Madrid deserved to win the game. They were organised and solid in defence. I think Atletico are a very solid team with a lot of quality. They can compete for the league title.
"We have to keep working hard to win as many titles as possible. The important thing is how the season ends, not how it starts.
"When you do not win and things do not go how you wanted you have to reflect and take something out of the match.
"You cannot live in the past, you have to show every day that the team that makes fewer mistakes takes the win."
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