diff --git a/APPL/MLD/opdr_show_note.asp b/APPL/MLD/opdr_show_note.asp
index 1299431a52..9ce426d89b 100644
--- a/APPL/MLD/opdr_show_note.asp
+++ b/APPL/MLD/opdr_show_note.asp
@@ -135,8 +135,8 @@ lcl.set_dialect(mld_opdr.opdr_type, "MLD_TYPEOPDR_KEY");
                 + "   AND str.fac_srtnotificatie_xmlnode IN ('opdracht'))";
         sqls.push(sql);
    }
-   sql = "SELECT * FROM ("+ sqls.join(" UNION ") + ") ORDER BY 2"
-       + (S("mld_note_sort_ascending") == 0 ? " DESC " : "")
+   var desc = (S("mld_note_sort_ascending") == 0 ? " DESC " : "");
+   sql = "SELECT * FROM ("+ sqls.join(" UNION ") + ") ORDER BY 1 {0}, 2 {0}".format(desc)
 
     var rst = new ResultsetTable({ sql:sql,
                                    keyColumn: "mld_opdr_note_key",