Released from captivity in May 1814, he was promoted to command of a battalion. After Napoléon's return from Elba he served as aide-de-camp to the Duke of Angoulême. Promoted to colonel in October 1815, he was given command of the Legion of the Aude (4th Line Regiment). In 1823 he was promoted to brigadier-general and given command of the 3rd Infantry Regiment of the Royal Guard, with which partook in the 1823 Spanish campaign. In 1830 d'Hautpoul was elected deputy for the Aude (1830–1838). He was appointed director of the war administration for 4 months in 1830.