He was detained after the Liberation of Belgium and sentenced to death by the "Conseil de Guerre" for collaboration as part of the "épuration légale" in 1946. The sentence was soon commuted to life imprisonment and later to 18 years imprisonment. He was released in 1951 and effectively exiled from Belgium. He became interested in Jungian psychoanalysis, Homosexuality, and Oriental religions and wrote on these subject in the post-war years. He was also an "active" pederast. He lived in Lausanne, Switzerland and Paris, France. He died at Versailles, near Paris, on 18 April 1969.