diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/EventDispatcherDebugCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/EventDispatcherDebugCommand.php
index a8ac845ea2107..384165a93dcd7 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/EventDispatcherDebugCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/EventDispatcherDebugCommand.php
@@ -30,7 +30,7 @@
  */
 class EventDispatcherDebugCommand extends Command
 {
-    private const DEFAULT_DISPATCHER = 'event_dispatcher';
+    private const DEFAULT_DISPATCHER = 'debug.event_dispatcher';
 
     protected static $defaultName = 'debug:event-dispatcher';
     protected static $defaultDescription = 'Display configured listeners for an application';