diff --git a/buildroot-external/rootfs-overlay/usr/lib/systemd/system/mnt-boot.mount b/buildroot-external/rootfs-overlay/usr/lib/systemd/system/mnt-boot.mount
index c2008cd5d..e9f70d67b 100644
--- a/buildroot-external/rootfs-overlay/usr/lib/systemd/system/mnt-boot.mount
+++ b/buildroot-external/rootfs-overlay/usr/lib/systemd/system/mnt-boot.mount
@@ -10,6 +10,7 @@ Wants=systemd-fsck@dev-disk-by\x2dlabel-hassos\x2dboot.service
 What=/dev/disk/by-label/hassos-boot
 Where=/mnt/boot
 Type=auto
+Options=sync
 
 [Install]
 WantedBy=local-fs.target