diff --git a/src/Symfony/Component/Process/Tests/ExecutableFinderTest.php b/src/Symfony/Component/Process/Tests/ExecutableFinderTest.php
index c26520b670..9d0a0d141f 100644
--- a/src/Symfony/Component/Process/Tests/ExecutableFinderTest.php
+++ b/src/Symfony/Component/Process/Tests/ExecutableFinderTest.php
@@ -120,6 +120,10 @@ class ExecutableFinderTest extends \PHPUnit_Framework_TestCase
             $this->markTestSkipped('Requires the PHP_BINARY constant');
         }
 
+        if ('\\' === DIRECTORY_SEPARATOR) {
+            $this->markTestSkipped('Cannot run test on windows');
+        }
+
         $this->setPath('');
         ini_set('open_basedir', PHP_BINARY.PATH_SEPARATOR.'/');