diff --git a/src/Symfony/Bundle/PropelBundle/DependencyInjection/PropelExtension.php b/src/Symfony/Bundle/PropelBundle/DependencyInjection/PropelExtension.php
index dee72995ec..2ddda4e022 100644
--- a/src/Symfony/Bundle/PropelBundle/DependencyInjection/PropelExtension.php
+++ b/src/Symfony/Bundle/PropelBundle/DependencyInjection/PropelExtension.php
@@ -27,7 +27,7 @@ class PropelExtension extends Extension
             $loader->load($this->resources['propel']);
         }
 
-        if (!$container->getParameterBag()->has('propel.path')) {
+        if (!$container->has('propel.path')) {
             if (!isset($config['path'])) {
                 throw new \InvalidArgumentException('The "path" parameter is mandatory.');
             }
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/GraphvizDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/GraphvizDumper.php
index 69e70ed08f..c5b276f48c 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/GraphvizDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/GraphvizDumper.php
@@ -109,9 +109,9 @@ class GraphvizDumper extends Dumper
         $edges = array();
         foreach ($arguments as $argument) {
             if (is_object($argument) && $argument instanceof Parameter) {
-                $argument = $this->container->getParameterBag()->has($argument) ? $this->container->getParameter($argument) : null;
+                $argument = $this->container->has($argument) ? $this->container->getParameter($argument) : null;
             } elseif (is_string($argument) && preg_match('/^%([^%]+)%$/', $argument, $match)) {
-                $argument = $this->container->getParameterBag()->has($match[1]) ? $this->container->getParameter($match[1]) : null;
+                $argument = $this->container->has($match[1]) ? $this->container->getParameter($match[1]) : null;
             }
 
             if ($argument instanceof Reference) {
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index da58e330d9..0895649411 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -412,7 +412,7 @@ EOF;
 
     public function dumpParameter($name)
     {
-        if ($this->container->isFrozen() && $this->container->getParameterBag()->has($name)) {
+        if ($this->container->isFrozen() && $this->container->has($name)) {
             return $this->dumpValue($this->container->getParameter($name), false);
         }