diff --git a/ext/pdo_dblib/tests/stringify_uniqueidentifier.phpt b/ext/pdo_dblib/tests/stringify_uniqueidentifier.phpt
index 79847bf2a19..02b28257dfe 100644
--- a/ext/pdo_dblib/tests/stringify_uniqueidentifier.phpt
+++ b/ext/pdo_dblib/tests/stringify_uniqueidentifier.phpt
@@ -4,6 +4,7 @@ PDO_DBLIB: Uniqueidentifier column data type stringifying
 <?php
 if (!extension_loaded('pdo_dblib')) die('skip not loaded');
 require __DIR__ . '/config.inc';
+if (in_array(get_tds_version(), ['4.2', '4.6'])) die('skip feature unsupported by this TDS version');
 ?>
 --FILE--
 <?php