diff -r c879fc7bd71f -r c2cb6be4212f mercurial/hgweb/hgwebdir_mod.py
--- a/mercurial/hgweb/hgwebdir_mod.py	Wed Oct 11 04:16:05 2017 +0200
+++ b/mercurial/hgweb/hgwebdir_mod.py	Wed Oct 11 04:16:17 2017 +0200
@@ -510,7 +510,7 @@
 
         start = url[-1] == '?' and '&' or '?'
         sessionvars = webutil.sessionvars(vars, start)
-        logourl = config('web', 'logourl', 'https://mercurial-scm.org/')
+        logourl = config('web', 'logourl')
         logoimg = config('web', 'logoimg')
         staticurl = config('web', 'staticurl') or url + 'static/'
         if not staticurl.endswith('/'):