diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 6b01b5c24..c2486bbce 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2011-06-13  Christopher Faylor  <me.cygwin2011@cgf.cx>
+
+	* fhandler_tty_slave.cc (fhandler_tty_slave::fhandler_tty_slave):
+	Revert previous change since unit 0 is perfectly valid.
+
 2011-06-12  Christopher Faylor  <me.cygwin2011@cgf.cx>
 
 	Rename FH_BAD to FH_NADA throughout.
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 821d6e94e..0800cd936 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -472,7 +472,7 @@ process_ioctl (void *)
 fhandler_tty_slave::fhandler_tty_slave (int unit)
   : fhandler_tty_common (), inuse (NULL)
 {
-  if (unit > 0)
+  if (unit >= 0)
     dev ().parse (DEV_TTYS_MAJOR, unit);
 }