Problem with http://kissmanga.com/Manga/Onepunch-Man-ONE

[aminought]

$ gallery-dl --verbose -d . http://kissmanga.com/Manga/Onepunch-Man-ONE
[gallery-dl][debug] Version 1.1.1
[gallery-dl][debug] Python 3.6.3 - Linux-4.14.8-1-ARCH-x86_64-with-arch
[gallery-dl][debug] Starting DownloadJob for 'http://kissmanga.com/Manga/Onepunch-Man-ONE'
[kissmanga][debug] Using KissmangaMangaExtractor for 'http://kissmanga.com/Manga/Onepunch-Man-ONE'
[urllib3.connectionpool][debug] Starting new HTTP connection (1): kissmanga.com
[urllib3.connectionpool][debug] http://kissmanga.com:80 "GET /Manga/Onepunch-Man-ONE HTTP/1.1" 200 None
[kissmanga][error] An unexpected error occurred: AttributeError - 'NoneType' object has no attribute 'groups'. Please run gallery-dl again with the --verbose flag, copy its output and report this issue on https://github.com/mikf/gallery-dl/issues .
[kissmanga][debug] Traceback
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/gallery_dl/job.py", line 59, in run
    for msg in self.extractor:
  File "/usr/lib/python3.6/site-packages/gallery_dl/extractor/common.py", line 182, in items
    chapters = self.chapters(page)
  File "/usr/lib/python3.6/site-packages/gallery_dl/extractor/kissmanga.py", line 101, in chapters
    self.parse_chapter_string(data)
  File "/usr/lib/python3.6/site-packages/gallery_dl/extractor/kissmanga.py", line 65, in parse_chapter_string
    volume, chapter, minor, title = match.groups()
AttributeError: 'NoneType' object has no attribute 'groups'