diff --git a/src/Symfony/Component/EventDispatcher/EventDispatcher.php b/src/Symfony/Component/EventDispatcher/EventDispatcher.php
index 87aca2d480..d54ecad6bd 100644
--- a/src/Symfony/Component/EventDispatcher/EventDispatcher.php
+++ b/src/Symfony/Component/EventDispatcher/EventDispatcher.php
@@ -80,7 +80,7 @@ class EventDispatcher implements EventDispatcherInterface
      */
     public function hasListeners($eventName = null)
     {
-        return (bool) count($this->getListeners($eventName));
+        return (bool) $this->getListeners($eventName);
     }
 
     /**