Leicester boss Claudio Ranieri said a post-Porto inquest helped to inspire the reigning Premier League champions after Jamie Vardy's hat-trick downed Manchester City.
The striker ended a three-month wait for a club goal as the Foxes won 4-2 to seal their first leave victory since October.
Vardy was left at home for Wednesday's 5-0 Champions League defeat in Porto, when Ranieri made 10 changes, which sparked a dressing room discussion about how to revive their form after just one win from eight games.
"We spoke a lot about everything but this time the words go in the right direction, not only mine.