--- a/mercurial/dirstate.py	Sat Mar 10 22:03:21 2007 -0300
+++ b/mercurial/dirstate.py	Sat Mar 10 22:03:22 2007 -0300
@@ -376,7 +376,7 @@
 
         # walk all files by default
         if not files:
-            files = [self.root]
+            files = ['.']
             dc = self.map.copy()
         else:
             files = util.unique(files)