diff --git a/mbusb.d/opnsense.d/generic64.cfg b/mbusb.d/opnsense.d/generic64.cfg
new file mode 100644
index 00000000..fbb613df
--- /dev/null
+++ b/mbusb.d/opnsense.d/generic64.cfg
@@ -0,0 +1,17 @@
+for isofile in $isopath/OPNsense-*-amd64.iso; do
+  if [ -e "$isofile" ]; then
+    regexp --set=isoname "$isopath/(.*)" "$isofile"
+    submenu "$isoname ->" "$isofile" {
+      iso_path="$2"
+      loopback loop "$iso_path"
+      menuentry "OPNsense (x86_64)" {
+        bootoptions="$iso_path type=mfs_root"
+        kfreebsd (loop)/boot/kernel/kernel
+        kfreebsd_module $bootoptions
+        set kFreeBSD.vfs.root.mountfrom=cd9660:/dev/md0
+        set kFreeBSD.vfs.root.mountfrom.options=ro
+        set kFreeBSD.grub.platform=$grub_platform
+      }
+    }
+  fi
+done