diff --git a/borg2-backup.sh b/borg2-backup.sh
index 2034039..6ca34af 100755
--- a/borg2-backup.sh
+++ b/borg2-backup.sh
@@ -317,6 +317,8 @@ elif [[ "${DB_TYPE,,}" = "mysql" ]] ; then
    [[ -z "${MYSQL_CREDENTIALS}" ]] && MYSQL_CREDENTIALS="${DEFAULT_MYSQL_CREDENTIALS}"
 elif [[ "${DB_TYPE,,}" = "psql" ]] || [[ "${DB_TYPE,,}" = "postgresql" ]] || [[ "${DB_TYPE,,}" = "postgres" ]] ; then
    [[ -z "${PSQL_SYSTEM_USER}" ]] && PSQL_SYSTEM_USER="${DEFAULT_PSQL_SYSTEM_USER}"
+elif [[ "${DB_TYPE,,}" = "none" ]] ; then
+   DB_TYPE="None"
 else 
    fatal "Unknown DB_TYPE '${DB_TYPE}'."
 fi