CLAUDE Puel says his Leicester City side must be wary of a reaction from West Ham United in Friday's Premier League clash following the appointment of David Moyes as manager.
Moyes replaced the sacked Slaven Bilic this month and his first match in charge was a 2-0 defeat at Watford last weekend. Puel is concerned about a possible backlash at London Stadium as West Ham look to get a result in front of their own supporters.
"West Ham fans want a reaction. We know this team and they will want to show their qualities at home," Puel told reporters.
"When a new manager arrives, there is always a possibility for different players to show their qualities and try and win their place.
"It will be a strong game against them and we have to keep our focus because it will be a crucial game for us."
Leicester, who are 12th in the league, suffered a 2-0 home defeat by Manchester City last Saturday to end a six-match unbeaten run in all competitions. West Ham have gone five league games without a win.
"We are playing a crucial game for us because after losing to Manchester City it is important to bounce back in the Premier League," Puel added.
"It is a new challenge for us because we know the players of West Ham but they have had just one game played under the new manager at Watford.
"They can play with conviction of course but we will see the system and their ambition. The most important thing is to remain focused with good concentration on our own game."