diff --git a/buildroot-external/rootfs-overlay/etc/fstab b/buildroot-external/rootfs-overlay/etc/fstab
new file mode 100644
index 000000000..aade20333
--- /dev/null
+++ b/buildroot-external/rootfs-overlay/etc/fstab
@@ -0,0 +1 @@
+/dev/root / auto ro 0 1