diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -688,7 +688,10 @@ def debugcomplete(ui, cmd='', **opts):
         ui.write("%s\n" % "\n".join(options))
         return
 
-    ui.write("%s\n" % "\n".join(util.sort(cmdutil.findpossible(cmd, table))))
+    cmdlist = cmdutil.findpossible(cmd, table)
+    if ui.verbose:
+        cmdlist = [' '.join(c[0]) for c in cmdlist.values()]
+    ui.write("%s\n" % "\n".join(util.sort(cmdlist)))
 
 def debugfsinfo(ui, path = "."):
     file('.debugfsinfo', 'w').write('')