return err
		}

		for _, bucket := range buckets {
			info := minioFileInfo{
				p:     pathClean(bucket.Name),
				info:  minio.ObjectInfo{Key: retainSlash(bucket.Name), LastModified: bucket.CreationDate},
				isDir: true,
			}
			if err := callback(&info); err != nil {
				return err
			}
		}

		return nil
	}

	prefix = retainSlash(prefix)