diff --git a/ext/xml/tests/007.phpt b/ext/xml/tests/007.phpt
index 1bff1dee0ed..c0863d8afea 100644
--- a/ext/xml/tests/007.phpt
+++ b/ext/xml/tests/007.phpt
@@ -1,7 +1,13 @@
 --TEST--
 xml_parse_into_struct/umlauts in tags
 --SKIPIF--
-<?php include("skipif.inc"); ?>
+<?php // vim600: syn=php
+include("skipif.inc");
+if(strtoupper("äöü") == "äöü")
+{
+	die("skip strtoupper on non-ascii not supported on this platform");
+}
+?>
 --FILE--
 <?php
 function startHandler($parser,$tag,$attr) { var_dump($tag,$attr); }