diff --git a/flight/core/EventDispatcher.php b/flight/core/EventDispatcher.php
index b264a1a..054dc75 100644
--- a/flight/core/EventDispatcher.php
+++ b/flight/core/EventDispatcher.php
@@ -34,7 +34,7 @@ class EventDispatcher
     {
         $listenerReturnValue = null;
 
-        if (!isset($this->listeners[$event])) {
+        if (!$this->hasListeners($event)) {
             return null;
         }