diff --git a/src/LocalData/LocalDataEventDispatcher.php b/src/LocalData/LocalDataEventDispatcher.php
index 90085e4696e90dc08b66b64cc0acdfc2812d0350..fb174d30d6b7afa4bc0595413c29f0c9ba65b7dc 100644
--- a/src/LocalData/LocalDataEventDispatcher.php
+++ b/src/LocalData/LocalDataEventDispatcher.php
@@ -79,7 +79,7 @@ class LocalDataEventDispatcher
     /**
      * Dispatches the given event.
      */
-    public function dispatch(Event $event, string $eventName): void
+    public function dispatch(Event $event, string $eventName = null): void
     {
         if ($event instanceof LocalDataPreEvent) {
             $event->setQueryParameters($this->queryParameters);