diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 46d7b6dc9..5fa71b4cb 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2008-08-15  Corinna Vinschen  <corinna@vinschen.de>
+
+	* mount.cc (mount_info::create_root_entry): Create default cygdrive
+	prefix with MOUNT_NOPOSIX flag.
+
 2008-08-15  Corinna Vinschen  <corinna@vinschen.de>
 
 	* path.cc (symlink_info::check): Don't use eabuf when trying to open
diff --git a/winsup/cygwin/mount.cc b/winsup/cygwin/mount.cc
index f9e65b10f..36363868d 100644
--- a/winsup/cygwin/mount.cc
+++ b/winsup/cygwin/mount.cc
@@ -92,7 +92,7 @@ mount_info::create_root_entry (const PWCHAR root)
   /* Create a default cygdrive entry.  Note that this is a user entry.
      This allows to override it with mount, unless the sysadmin created
      a cygdrive entry in /etc/fstab. */
-  cygdrive_flags = MOUNT_BINARY | MOUNT_CYGDRIVE;
+  cygdrive_flags = MOUNT_BINARY | MOUNT_NOPOSIX | MOUNT_CYGDRIVE;
   strcpy (cygdrive, CYGWIN_INFO_CYGDRIVE_DEFAULT_PREFIX "/");
   cygdrive_len = strlen (cygdrive);
 }