diff -r f3e090d0c6d6 -r c879fc7bd71f mercurial/hgweb/hgwebdir_mod.py
--- a/mercurial/hgweb/hgwebdir_mod.py	Wed Oct 11 04:15:48 2017 +0200
+++ b/mercurial/hgweb/hgwebdir_mod.py	Wed Oct 11 04:16:05 2017 +0200
@@ -511,7 +511,7 @@
         start = url[-1] == '?' and '&' or '?'
         sessionvars = webutil.sessionvars(vars, start)
         logourl = config('web', 'logourl', 'https://mercurial-scm.org/')
-        logoimg = config('web', 'logoimg', 'hglogo.png')
+        logoimg = config('web', 'logoimg')
         staticurl = config('web', 'staticurl') or url + 'static/'
         if not staticurl.endswith('/'):
             staticurl += '/'