Beric headed in a cross from Ryad Boudebouz to grab the winner in the 90th minute. Lyon had only 10 men on the field at the time with its captain, Léo Dubois, forced off injured after manager Sylvinho had already made three changes.
It was the first game in charge for Saint-Etienne coach Claude Puel, a former Lyon player. Also, Nimes drew 2-2 at Lille, while Reims won 1-0 at Rennes. On Saturday, league leader Paris Saint-Germain eased to a 4-0 win over Angers. PSG kept a two-point lead over Nantes, which beat Nice 1-0.
Angers is in third place, five points behind PSG.
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