After the Bourbon Restoration in 1814 Viomesnil was a made a Peer of France. During the Hundred Days he followed Louis XVIII of France to Ghent. After Waterloo and the Second Restoration, he was given command of a military division centered at Bordeaux. In 1816 at age 82 he was made a Marshal of France, the next year he was made a marquis. in 1820 he was given the Order du Saint-Esprit and in 1823 he was made an Officer in the Légion d'honneur.