diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Console/Descriptor/JsonDescriptorTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Console/Descriptor/JsonDescriptorTest.php
index 30013550b5..5d6dafe46b 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Console/Descriptor/JsonDescriptorTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Console/Descriptor/JsonDescriptorTest.php
@@ -17,7 +17,9 @@ class JsonDescriptorTest extends AbstractDescriptorTest
 {
     protected function setUp()
     {
-        $this->markTestSkipped('Test skipped on PHP 5.3 as JSON_PRETTY_PRINT does not exist.');
+        if (version_compare(phpversion(), '5.4.0', '<')) {
+            $this->markTestSkipped('Test skipped on PHP 5.3 as JSON_PRETTY_PRINT does not exist.');
+        }
     }
 
     protected function getDescriptor()