diff --git a/src/Symfony/Bridge/PhpUnit/Tests/CoverageListenerTest.php b/src/Symfony/Bridge/PhpUnit/Tests/CoverageListenerTest.php
index 216b860a4b..0d548aa912 100644
--- a/src/Symfony/Bridge/PhpUnit/Tests/CoverageListenerTest.php
+++ b/src/Symfony/Bridge/PhpUnit/Tests/CoverageListenerTest.php
@@ -8,7 +8,7 @@ class CoverageListenerTest extends TestCase
 {
     public function test()
     {
-        if ("\n" !== PHP_EOL) {
+        if ('\\' === \DIRECTORY_SEPARATOR) {
             $this->markTestSkipped('This test cannot be run on Windows.');
         }
 
@@ -16,6 +16,11 @@ class CoverageListenerTest extends TestCase
             $this->markTestSkipped('This test cannot be run on HHVM.');
         }
 
+        exec('php --ri xdebug -d zend_extension=xdebug.so 2> /dev/null', $output, $returnCode);
+        if (0 !== $returnCode) {
+            $this->markTestSkipped('Xdebug is required to run this test.');
+        }
+
         $dir = __DIR__.'/../Tests/Fixtures/coverage';
         $php = PHP_BINARY;
         $phpunit = $_SERVER['argv'][0];