diff --git a/mercurial/templates/gitweb/error.tmpl b/mercurial/templates/gitweb/error.tmpl
--- a/mercurial/templates/gitweb/error.tmpl
+++ b/mercurial/templates/gitweb/error.tmpl
@@ -17,6 +17,7 @@
 <a href="{url|urlescape}summary{sessionvars%urlparameter}">summary</a> |
 <a href="{url|urlescape}shortlog{sessionvars%urlparameter}">shortlog</a> |
 <a href="{url|urlescape}log{sessionvars%urlparameter}">changelog</a> |
+<a href="{url|urlescape}graph{sessionvars%urlparameter}">graph</a> |
 <a href="{url|urlescape}tags{sessionvars%urlparameter}">tags</a> |
 <a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a> |
 <a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a> |