Leicester's winless start to their Europa League campaign continued with a limp defeat at Legia Warsaw, who collected a famous victory in Poland.
Brendan Rodgers' side have started the season inconsistently and now have work to do in Group C following a defeat to go with their 2-2 draw at Napoli in the opening game.
Azerbaijan national Mahir Emreli scored the only goal in the 31st minute, outmuscling Daniel Amartey on the edge of the box before firing in a low finish via the foot of the post.
Leicester lacked rhythm but did have chances with Ayoze Perez screwing wide in the first half after being put through by Patson Daka.