diff --git a/lib/driver/FreeBSD/freebsd_cam.c b/lib/driver/FreeBSD/freebsd_cam.c
index 23fb3954..2e032ea4 100644
--- a/lib/driver/FreeBSD/freebsd_cam.c
+++ b/lib/driver/FreeBSD/freebsd_cam.c
@@ -1,7 +1,7 @@
 /*
   $Id: freebsd_cam.c,v 1.12 2008/04/21 18:30:20 karl Exp $
 
-  Copyright (C) 2004, 2005, 2008 Rocky Bernstein <rocky@gnu.org>
+  Copyright (C) 2004, 2005, 2008, 2009 Rocky Bernstein <rocky@gnu.org>
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -122,6 +122,8 @@ init_freebsd_cam (_img_private_t *p_env)
       return false;
     }
 
+  (void)ioctl(p_env->gen.fd, CDIOCALLOW);
+
   if (ioctl (p_env->gen.fd, CAMGETPASSTHRU, &p_env->ccb) < 0)
     {
       cdio_warn ("open: %s", strerror (errno));