diff --git a/recipes-support/lc15-sysdev-remap/files/mnt-rom-factory.mount b/recipes-support/lc15-sysdev-remap/files/mnt-rom-factory.mount
index d975d75..b31384c 100644
--- a/recipes-support/lc15-sysdev-remap/files/mnt-rom-factory.mount
+++ b/recipes-support/lc15-sysdev-remap/files/mnt-rom-factory.mount
@@ -5,6 +5,7 @@ Description=Mount ROM partition with factory defaults
 What=/dev/mtdblock8
 Where=/mnt/rom/factory
 Type=jffs2
+Options=ro
 
 [Install]
 WantedBy=multi-user.target