API disk space used negative

Actually, there is a discrepancy between the CLI and Web Dashboards:

Storage Node Dashboard ( Node Version: v1.12.3 )
======================
ID     
Status ONLINE
Uptime 1h18m37s

                   Available          Used        Egress      Ingress
     Bandwidth           N/A     600.66 GB     577.09 GB     23.56 GB (since Sep 1)
          Disk     339.41 GB       3.39 TB

image

user@rock64:~$ df -H | grep /mnt/storj1
/dev/sdc1       4.0T  3.4T  340G  91% /mnt/storj1

(sorry to jump in on this thread, but it seems related to me)