diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/ConfigDebugCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/ConfigDebugCommand.php
index 9059905e04..22a98d8023 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/ConfigDebugCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/ConfigDebugCommand.php
@@ -90,7 +90,7 @@ EOF
             $output->writeln(sprintf('# Current configuration for "%s"', $name));
         }
 
-        $output->writeln(Yaml::dump(array($extension->getAlias() => $config), 10));
+        $output->writeln(Yaml::dump(array($extension->getAlias() => $container->getParameterBag()->resolveValue($config)), 10));
     }
 
     private function compileContainer()