While serving in Catalonia during the Peninsular War from February to May 1810, Augereau gained some successes but tarnished his name with cruelty. During the Russian campaign in 1812, Augereau guarded the "Grande Armée"'s rear flanks. He sat out the German campaign in spring 1813 due to illness. Before the Battle of Leipzig in October, Napoleon reproached him with not being the Augereau of Castiglione; to which he replied, "Give me back the old soldiers of Italy, and I will show you that I am." Yet, he led the IX Corps at Leipzig with skill and brought off his command in good order.