diff --git a/plugins/backup/backup.sh b/plugins/backup/backup.sh
index 15bb1b2f..5ee33559 100755
--- a/plugins/backup/backup.sh
+++ b/plugins/backup/backup.sh
@@ -19,5 +19,4 @@ EOM
 esac
 
 printf "autobackup.value "
-find $BACKUP_DIR  -mtime -$LIFETIME | wc  -l
-
+find "$BACKUP_DIR" -mtime "-$LIFETIME" | wc  -l