During 1941 the need for workers in Germany increased. As a result, the National Socialists requested allied and neutral countries to recruit volunteer workers. The total number of volunteers from these countries employed by the Nazis during the Second World War was similar to the total number of the civilian workers from occupied Poland. In spite of the better conditions offered to these volunteers and the efforts to indoctrinate them, the National Socialists failed to attract them to their cause. This article examines the reasons for this failure, taking as an example the case of the Spanish volunteers. The research is mainly based on the documents of the German-Spanish Society (Deutsch-Spanische Gesellschaft, DSG) of Berlin, which was the principal intermediary between the Spanish volunteers, and the National Socialist and Spanish authorities.