diff --git a/src/Symfony/Component/Workflow/Event/Event.php b/src/Symfony/Component/Workflow/Event/Event.php
index a0bb4c5176..cda6e170be 100644
--- a/src/Symfony/Component/Workflow/Event/Event.php
+++ b/src/Symfony/Component/Workflow/Event/Event.php
@@ -60,7 +60,7 @@ class Event extends BaseEvent
         return $this->workflow->getName();
     }
 
-    public function getMetadata(string $key, object $subject)
+    public function getMetadata(string $key, $subject)
     {
         return $this->workflow->getMetadataStore()->getMetadata($key, $subject);
     }