diff -r c38f96ab63cb -r ffb68b9dbaa9 hgext/acl.py
--- a/hgext/acl.py	Fri May 18 12:37:23 2012 -0300
+++ b/hgext/acl.py	Fri May 18 12:40:04 2012 -0300
@@ -193,7 +193,7 @@
     if not repo:
         if pats:
             return lambda b: '*' in pats or b in pats
-        return lambda b: False
+        return util.never
 
     if pats:
         return match.match(repo.root, '', pats)