diff --git a/scripts/backup.sh b/scripts/backup.sh
index 726f698..0695abf 100644
--- a/scripts/backup.sh
+++ b/scripts/backup.sh
@@ -17,6 +17,6 @@ fi
 echo "backup created at $FILE_PATH"
 
 if [ "${DELETE_OLD_BACKUPS}" = true ]; then
-        echo "removing backups older than $OLD_BACKUP_DAYS days"
+        echo "removing backups older than ${OLD_BACKUP_DAYS:=30} days"
         find /palworld/backups/ -mindepth 1 -maxdepth 1 -mtime +$OLD_BACKUP_DAYS -print -delete
 fi