He was first a member of the military committee of the Assembly, and was then re-elected as député to the Convention. He was sent to Savoy, together with Gasparin and Dubois-Crancé le to dismiss general de Montesquiou-Fézensac. On his return, he voted for the death of the king (though later in 1793 he remarried, to Marie Micoud, a courageous woman who had tied to save the king from the guillotine and had been imprisoned at the beginning of the year).