On 9 November 1799 Napoleon and two others seized power in a coup and a new government, the Consulate, was set up. Napoleon named Monge a senator on the Consulate for life. Monge accepted with pleasure, although his republican views should have meant that he was opposed to the military dictatorship imposed by Napoleon on France.
Sa 9 Nobyembre 1799 Napoleon at dalawang iba seized kapangyarihan sa isang kapalaran at isang bagong gobyerno, ang Konsulado, ay na-set up. Napoleon pinangalanan Monge ng isang senador sa Konsulado para sa buhay. Monge tinanggap na may kasiyahan, bagama't ang kanyang mga republikano views ay dapat na magkaroon ng sinadya na siya ay laban sa militar ang diktadura imposed ni Napoleon sa France.