diff -r f783bb979fb3 -r 7bb1dbfd3082 mercurial/commands.py
--- a/mercurial/commands.py	Wed Jul 22 17:53:23 2009 -0500
+++ b/mercurial/commands.py	Wed Jul 22 17:59:11 2009 -0500
@@ -3045,7 +3045,7 @@
             raise util.Abort(_("you can't specify a revision and a date"))
         rev = cmdutil.finddate(ui, repo, date)
 
-    if clean:
+    if clean or check:
         return hg.clean(repo, rev)
     else:
         return hg.update(repo, rev)