diff -r f3e090d0c6d6 -r c879fc7bd71f mercurial/hgweb/hgweb_mod.py
--- a/mercurial/hgweb/hgweb_mod.py	Wed Oct 11 04:15:48 2017 +0200
+++ b/mercurial/hgweb/hgweb_mod.py	Wed Oct 11 04:16:05 2017 +0200
@@ -169,7 +169,7 @@
         port = port != default_port and (':' + port) or ''
         urlbase = '%s://%s%s' % (proto, req.env['SERVER_NAME'], port)
         logourl = self.config('web', 'logourl', 'https://mercurial-scm.org/')
-        logoimg = self.config('web', 'logoimg', 'hglogo.png')
+        logoimg = self.config('web', 'logoimg')
         staticurl = self.config('web', 'staticurl') or req.url + 'static/'
         if not staticurl.endswith('/'):
             staticurl += '/'