typo

src/storage/filesystem.js

@@ -100,7 +100,7 @@ function hasChownSupportSync(apiConfig) {
     case PROVIDER_SSHFS:
         // sshfs can be mounted as root or normal user. when mounted as root, we have to chown since we remove backups as the yellowtent user
         // when mounted as non-root user, files are created as yellowtent user but they are still owned by the non-root user (thus del also works)
-        return apiConfig.mountOptions.username === 'root';
+        return apiConfig.mountOptions.user === 'root';
     case PROVIDER_CIFS:
         return true;
     case PROVIDER_MOUNTPOINT: