diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -2664,7 +2664,7 @@ def uisetup(ui):
     entry = extensions.wrapcommand(commands.table, 'init', mqinit)
     entry[1].extend(mqopt)
 
-    for cmd in commands.table:
+    for cmd in commands.table.keys():
         cmd = cmdutil.parsealiases(cmd)[0]
         if cmd in commands.norepo:
             continue