diff --git a/src/Symfony/Component/CssSelector/Tests/CssSelectorConverterTest.php b/src/Symfony/Component/CssSelector/Tests/CssSelectorConverterTest.php
index a27fadfef1..a3eea7ad21 100644
--- a/src/Symfony/Component/CssSelector/Tests/CssSelectorConverterTest.php
+++ b/src/Symfony/Component/CssSelector/Tests/CssSelectorConverterTest.php
@@ -59,7 +59,7 @@ class CssSelectorConverterTest extends TestCase
             array('h1', 'h1'),
             array('foo|h1', 'foo:h1'),
             array('h1, h2, h3', 'h1 | h2 | h3'),
-            array('h1:nth-child(3n+1)', "*/*[name() = 'h1' and (position() - 1 >= 0 and (position() - 1) mod 3 = 0)]"),
+            array('h1:nth-child(3n+1)', "*/*[(name() = 'h1') and (position() - 1 >= 0 and (position() - 1) mod 3 = 0)]"),
             array('h1 > p', 'h1/p'),
             array('h1#foo', "h1[@id = 'foo']"),
             array('h1.foo', "h1[@class and contains(concat(' ', normalize-space(@class), ' '), ' foo ')]"),