 However, the organization of this second Legion proved some difficulties.On May 29 of the same year, he obtained to switch with Colonel de Caprez, commandant of the 2nd Foreign Regiment of the 1st French Foreign Legion, he accordingly joined his new corps under the walls of Sevastopol a couple weeks prior the assault which put end to the siege of Sevastopol on September 8.However, the 2nd Regiment was not engaged.