diff --git a/sync-once.sh b/sync-once.sh
new file mode 100644
index 0000000..e26d5af
--- /dev/null
+++ b/sync-once.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Sync the files/dirs specified in synclist once
+# Usually the sync-manager could sync the file once before it starts, so that
+# it makes sure the synclist is always synced when the sync-manager is running.
+
+SYNCLIST=/etc/synclist
+DEST_DIR=/run/media/rwfs-alt/cow
+
+while read l; do
+    echo rsync -a -R "${l}" "${DEST_DIR}"
+    rsync -a -R "${l}" "${DEST_DIR}"
+done < ${SYNCLIST}