diff --git a/src/Field/FieldTrait.php b/src/Field/FieldTrait.php
index 912f4c11fa..b0d42d769f 100644
--- a/src/Field/FieldTrait.php
+++ b/src/Field/FieldTrait.php
@@ -24,7 +24,7 @@ private function __construct()
         $this->dto = new FieldDto();
     }
 
-    public function __clone(): void
+    public function __clone()
     {
         $this->dto = clone $this->dto;
     }