diff --git a/test/Twig/Tests/Fixtures/functions/constant.test b/test/Twig/Tests/Fixtures/functions/constant.test
index dbff4abb3..6d4b374c4 100644
--- a/test/Twig/Tests/Fixtures/functions/constant.test
+++ b/test/Twig/Tests/Fixtures/functions/constant.test
@@ -1,12 +1,12 @@
 --TEST--
-"constant" filter
+"constant" function
 --TEMPLATE--
-{{ date|date(constant('DATE_W3C')) }}
+{% if constant('DATE_W3C') == expect %}
+true
+{% else %}
+false
+{% endif %}
 --DATA--
-$d = date_default_timezone_get();
-date_default_timezone_set('UTC');
-$ret = array('date' => strtotime('2005-10-15 10:00:01'));
-date_default_timezone_set($d);
-return $ret;
+return array('expect' => DATE_W3C);
 --EXPECT--
-2005-10-15T10:00:01+00:00
+true