Error on zfs-dkms package build

==> Making package: zfs-dkms 0.8.1-2 (Tue Sep 24 09:35:06 2019)
==> Retrieving sources...
  -> Found zfs-0.8.1.tar.gz
  -> Found zfs-0.8.1.tar.gz.asc
  -> Downloading d4b15200e75a37da053589aa2ddff06872302ac2.patch...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (22) The requested URL returned error: 406 Not Acceptable
==> ERROR: Failure while downloading https://github.com/zfsonlinux/zfs/pull/9161/commits/d4b15200e75a37da053589aa2ddff06872302ac2.patch
    Aborting...
==> ERROR: Could not download sources.