Minor fix

src/main/java/it/inaf/oats/vospace/FileServiceClient.java

@@ -98,6 +98,8 @@ public class FileServiceClient {
                             .stream().map(n -> NodeUtils.getVosPath(n))
                             .collect(Collectors.toList()));
                 }
+            } else {
+                expandedVosPaths.add(vosPath);
             }
 
         }