He served at the Battle of Rivoli, distinguished himself in the assault on Naples in January 1799 and then retired the following June. Recalled in January 1800, he was attached to the armée d’Italie, where he served on Masséna's staff at the siege of Genoa. He was made a general in 1801 and commanded the 2nd brigade of the 1st infantry division at Austerlitz, in support of Vandamme, making him part of the army corps which mounted the assault and took the Pratzen plateau. He was wounded during the battle.