diff --git a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
index 53873c15e6252..f9bfcb52109d5 100644
--- a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
+++ b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
@@ -361,7 +361,7 @@ public function getReflectionClass($class, $throw = true)
             return null;
         }
 
-        $resource = null;
+        $resource = $classReflector = null;
 
         try {
             if (isset($this->classReflectors[$class])) {
@@ -376,7 +376,6 @@ public function getReflectionClass($class, $throw = true)
             if ($throw) {
                 throw $e;
             }
-            $classReflector = false;
         }
 
         if ($this->trackResources) {