Created attachment 228691 [details]
Update to 1.21.2.
ReleaseNotes: https://lists.gnu.org/archive/html/bug-wget/2021-01/msg00030.html (1.21.1)
ReleaseNotes: https://lists.gnu.org/archive/html/bug-wget/2021-09/msg00005.html (1.22.2)
Perhaps it's also time to start looking at migrating to wget2?
(In reply to Daniel Engberg from comment #1)
Unfortunately wget2 isn't drop-in replacement of wget as it doesn't support FTP.