diff --git a/export-image/mk-iso.sh b/export-image/mk-iso.sh
index 561ee9d..bff0e88 100755
--- a/export-image/mk-iso.sh
+++ b/export-image/mk-iso.sh
@@ -72,7 +72,7 @@ mount -v "$ROOT_DEV" "${ROOTFS_DIR}" -t ext4
 mkdir -p "${ROOTFS_DIR}/boot"
 mount -v "$BOOT_DEV" "${ROOTFS_DIR}/boot" -t vfat
 
-rsync -aHAXx --exclude /var/cache/apt/archives --exclude /boot/firmware "${EXPORT_ROOTFS_DIR}/" "${ROOTFS_DIR}/"
+rsync -aHAXx --exclude /var/cache/apt/archives --exclude /boot/firmware --exclude /boot/overlays "${EXPORT_ROOTFS_DIR}/" "${ROOTFS_DIR}/"
 #rsync -rtx "${EXPORT_ROOTFS_DIR}/boot/firmware/" "${ROOTFS_DIR}/boot/firmware/"
 
 # Optionally mount and populate the recovery partition