diff --git a/release/sysinstall/media_strategy.c b/release/sysinstall/media_strategy.c
index 7e772453602..b5b89371da6 100644
--- a/release/sysinstall/media_strategy.c
+++ b/release/sysinstall/media_strategy.c
@@ -4,7 +4,7 @@
  * This is probably the last attempt in the `sysinstall' line, the next
  * generation being slated to essentially a complete rewrite.
  *
- * $Id: media_strategy.c,v 1.5 1995/05/21 15:40:51 jkh Exp $
+ * $Id: media_strategy.c,v 1.8 1995/05/21 19:29:17 gpalmer Exp $
  *
  * Copyright (c) 1995
  *	Jordan Hubbard.  All rights reserved.
@@ -258,10 +258,9 @@ mediaInitCDROM(Device *dev)
 	return FALSE;
 
     args.fspec = dev->devname;
-    args.export = NULL;
     args.flags = 0;
 
-    if (mount(MOUNT_CD9660, "/mnt", 0, (caddr_t) &args) == -1)
+    if (mount(MOUNT_CD9660, "/mnt", MNT_RDONLY, (caddr_t) &args) == -1)
     {
 	msgConfirm("Error mounting %s on /mnt: %s (%u)\n",
 		   dev, strerror(errno), errno);