diff -r 04c65cb59467 -r ce625185cfd9 mercurial/fileset.py
--- a/mercurial/fileset.py	Wed Aug 15 22:29:09 2012 +0200
+++ b/mercurial/fileset.py	Wed Aug 15 22:29:32 2012 +0200
@@ -432,7 +432,7 @@
     def existing(self):
         if self._status is not None:
             removed = set(self._status[3])
-            unknown = set(self._status[4])
+            unknown = set(self._status[4] + self._status[5])
         else:
             removed = set()
             unknown = set()