lftp (2.x) queue bug?

lftp test <at> 127.0.0.1:/pub> jobs -v -v -v
[0] queue (ftp://test:test <at> 127.0.0.1)
        ftp://test:test <at> 127.0.0.1/%2Fpub
        Now executing: [1] mirror -c test1
        Commands queued:
         1. mirror -c test2
         2. mirror -c test3
         3. mirror -c test4

lftp test <at> 127.0.0.1:/pub> queue -n 0 -d 3
queue: -n: Number expected. Try `help queue' for more information.
lftp test <at> 127.0.0.1:/pub> queue -n 1 -d 3
Deleted job: mirror -c test4

The queue says: [0] queue (representing queue 0), however it is really
queue1 as far as the queue function is concerned.