diff --git a/mercurial/commands.py b/mercurial/commands.py
index ad6eb7d7dbcafac0614e884222d182187fbfec6e_bWVyY3VyaWFsL2NvbW1hbmRzLnB5..19071b04c9c12b09f922b3fed10c4c3c7dddb962_bWVyY3VyaWFsL2NvbW1hbmRzLnB5 100644
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -3347,7 +3347,7 @@
      _('show changesets within the given named branch'), _('BRANCH')),
     ('P', 'prune', [],
      _('do not display revision or any of its ancestors'), _('REV')),
-    ('h', 'hidden', False, _('show hidden changesets')),
+    ('', 'hidden', False, _('show hidden changesets')),
     ] + logopts + walkopts,
     _('[OPTION]... [FILE]'))
 def log(ui, repo, *pats, **opts):