diff --git a/phpdotnet/phd/ObjectStorage.php b/phpdotnet/phd/ObjectStorage.php
index 1d5218d3..d7c7d75c 100644
--- a/phpdotnet/phd/ObjectStorage.php
+++ b/phpdotnet/phd/ObjectStorage.php
@@ -3,19 +3,20 @@
 
 class ObjectStorage extends \SplObjectStorage
 {
-	public function attach(object $object, mixed $info = array()): void {
+	public function attach(object $object, mixed $info = []): void {
 		if (!($object instanceof Format)) {
 			throw new \InvalidArgumentException(
                 'Only classess inheriting ' . __NAMESPACE__ . '\\Format supported'
             );
 		}
 		if (empty($info)) {
-			$info = array(
+			$info = [
 				\XMLReader::ELEMENT => $object->getElementMap(),
 				\XMLReader::TEXT    => $object->getTextMap(),
-			);
+            ];
 		}
-		parent::attach($object, $info);
+
+        $this->offsetSet($object, $info);
 	}
 }