--- a/hgext3rd/evolve/obshistory.py	Fri May 19 11:16:22 2017 +0200
+++ b/hgext3rd/evolve/obshistory.py	Thu May 18 22:40:17 2017 -0700
@@ -25,7 +25,7 @@
 eh = exthelper.exthelper()
 
 @eh.command(
-    'olog',
+    'obslog|olog',
     [('G', 'graph', True, _("show the revision DAG")),
      ('r', 'rev', [], _('show the specified revision or revset'), _('REV'))
     ] + commands.formatteropts,