diff --git a/src/Symfony/Bundle/FrameworkBundle/Console/Application.php b/src/Symfony/Bundle/FrameworkBundle/Console/Application.php
index 06a8698cf162f..97219c76283ab 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Console/Application.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Console/Application.php
@@ -27,6 +27,7 @@
 class Application extends BaseApplication
 {
     private $kernel;
+    private $commandsRegistered = false;
 
     /**
      * Constructor.
@@ -65,7 +66,9 @@ public function getKernel()
      */
     public function doRun(InputInterface $input, OutputInterface $output)
     {
-        $this->registerCommands();
+        if (!$this->commandsRegistered) {
+            $this->registerCommands();
+        }
 
         $this->setDispatcher($this->kernel->getContainer()->get('event_dispatcher'));
 
@@ -89,5 +92,7 @@ protected function registerCommands()
                 $bundle->registerCommands($this);
             }
         }
+
+        $this->commandsRegistered = true;
     }
 }