Kammala jumla mai zuwa: A lokacin da Jamus ta mamaye Faransa a Yaƙin Duniya na II, Derain ya zauna musamman a Paris kuma 'yan Jamus suna son shi sosai saboda yana wakiltar martabar al'adun Faransa. Derain ya karɓi gayyatar yin ziyarar hukuma zuwa Jamus a 1941, kuma ya yi tafiya tare da sauran masu zane-zanen Faransa zuwa Berlin don halartar baje kolin Nazi na wani mai zane da aka amince da shi, Arno Breker. Derain kasancewar a Jamus da aka yi amfani da yadda ya kamata da Nazi farfaganda, kuma bayan da
Liberation an yi masa lakabi da mai haɗin gwiwa kuma tsoffin magoya bayansa sun ƙi shi.