diff --git a/src/Base/AbstractCollection.php b/src/Base/AbstractCollection.php
index fe034df..f191d77 100644
--- a/src/Base/AbstractCollection.php
+++ b/src/Base/AbstractCollection.php
@@ -92,7 +92,7 @@ abstract class AbstractCollection extends Component implements \IteratorAggregat
      */
     public function addItem($item)
     {
-        array_push($this->_item, $item);
+        $this->_item[] = $item;
     }
 
     /**