He was director of the S"ervices de l'armistice", from 16 April 1943 to 18 August 1944, within the Vichy government, then head of the general secretariat of Philippe Pétain, succeeding Commander Tracou. He accompanied Pétain a few days later to Sigmaringen in Germany, then returned to France with him on 26 April 1945, and was imprisoned in Fresnes Prison. He was one of the 18 superior officers to testify in defence of Pétain at his trial in August 1945. Indicted for crimes against the State security in front of the High Court of Justice, the case was dismissed because of his Résistance activities. He was stricken from the Army lists on 8 March 1946.