By 1792, he was a captain of the second battalion of volunteers of the Marne. He was promoted to commander of the 94th demi-brigade in 1794. He served in the Army of the Danube in southwestern Germany in 1799 and 1800. In 1803 he was brigadier general. He fought at the Battle of Austerlitz in 1805 at the head of a brigade of the Grand Army, and at the Battle of Jena-Auerstadt the following year.