diff --git a/src/EntityImportProcessManager.php b/src/EntityImportProcessManager.php
index 69ecf4e..1a97ae5 100644
--- a/src/EntityImportProcessManager.php
+++ b/src/EntityImportProcessManager.php
@@ -56,8 +56,8 @@ class EntityImportProcessManager implements EntityImportProcessManagerInterface
   ) {
     $prepare_event = $this->eventDispatcher
       ->dispatch(
-        EntityImportEvents::ENTITY_IMPORT_PREPARE_MIGRATION_STUB,
-        new EntityImportMigrationStubEvent($plugin_id, [])
+        new EntityImportMigrationStubEvent($plugin_id, []),
+        EntityImportEvents::ENTITY_IMPORT_PREPARE_MIGRATION_STUB
       );
 
     $migration = isset($migration)
diff --git a/src/Event/EntityImportMigrationStubEvent.php b/src/Event/EntityImportMigrationStubEvent.php
index 665a930..70f8ed4 100644
--- a/src/Event/EntityImportMigrationStubEvent.php
+++ b/src/Event/EntityImportMigrationStubEvent.php
@@ -8,7 +8,7 @@ use Symfony\Component\EventDispatcher\Event;
 /**
  * Define entity import migration stub event.
  */
-class EntityImportMigrationStubEvent extends Event {
+class EntityImportMigrationStubEvent extends \Symfony\Contracts\EventDispatcher\Event {
 
   /**
    * @var string