diff --git a/subcmds/help.py b/subcmds/help.py
index c5979fd..01d5fa2 100644
--- a/subcmds/help.py
+++ b/subcmds/help.py
@@ -163,6 +163,7 @@
         print >>sys.stderr, "repo: '%s' is not a repo command." % name
         sys.exit(1)
 
+      cmd.repodir = self.repodir
       self._PrintCommandHelp(cmd)
 
     else: