diff --git a/src/Symfony/Bundle/SecurityBundle/Security/FirewallMap.php b/src/Symfony/Bundle/SecurityBundle/Security/FirewallMap.php
index dc87681c3751..da79e3c8c292 100644
--- a/src/Symfony/Bundle/SecurityBundle/Security/FirewallMap.php
+++ b/src/Symfony/Bundle/SecurityBundle/Security/FirewallMap.php
@@ -26,18 +26,24 @@ class FirewallMap implements FirewallMapInterface
 {
     protected $container;
     protected $map;
+    private $contexts;
 
     public function __construct(ContainerInterface $container, array $map)
     {
         $this->container = $container;
         $this->map = $map;
+        $this->contexts = new \SplObjectStorage();
     }
 
     public function getListeners(Request $request)
     {
+        if ($this->contexts->contains($request)) {
+            return $this->contexts[$request];
+        }
+
         foreach ($this->map as $contextId => $requestMatcher) {
             if (null === $requestMatcher || $requestMatcher->matches($request)) {
-                return $this->container->get($contextId)->getContext();
+                return $this->contexts[$request] = $this->container->get($contextId)->getContext();
             }
         }