diff --git a/DependencyInjection/MonologExtension.php b/DependencyInjection/MonologExtension.php
index <HASH>..<HASH> 100644
--- a/DependencyInjection/MonologExtension.php
+++ b/DependencyInjection/MonologExtension.php
@@ -125,7 +125,7 @@ class MonologExtension extends Extension
                 $handler['level'],
                 $handler['bubble'],
             ));
-            $definition->addTag('kernel.listener', array('event' => 'onCoreResponse'));
+            $definition->addTag('kernel.listener', array('event' => 'core.response', 'method' => 'onCoreResponse'));
             break;
 
         case 'rotating_file':
[EventDispatcher] Allow registration of arbitrary callbacks

This in effect removes the direct link between event name and the method name on the handler.
Any callback can be given as a handler and the event name becomes an arbitrary string. Allowing for easier namespacing (see next commit)