diff --git a/miyagi-backup.sh b/miyagi-backup.sh
index f794f50..4d27ead 100644
--- a/miyagi-backup.sh
+++ b/miyagi-backup.sh
@@ -148,7 +148,7 @@ write_zsync_config() {
         echo "source=root@$SOURCEHOST"
         echo "sshport=$SSHPORT"
         echo "tag=$ZPUSHTAG"
-        echo "snapshot_filter=$ZPUSHFILTER"
+        echo "snapshot_filter=\"$ZPUSHFILTER\""
         echo "min_keep=$ZPUSHMINKEEP"
         echo "zfs_auto_snapshot_keep=$ZPUSHKEEP"
         echo "zfs_auto_snapshot_label=$ZPUSHLABEL"