diff --git a/src/Controller/Component/ShoppingCartComponent.php b/src/Controller/Component/ShoppingCartComponent.php
index 0a47e94..ad6cbdc 100644
--- a/src/Controller/Component/ShoppingCartComponent.php
+++ b/src/Controller/Component/ShoppingCartComponent.php
@@ -93,7 +93,7 @@ class ShoppingCartComponent extends Component
             ->first();
 
         if (isset($cart) && isset($identity) && !isset($cart[$this->userIdField])) {
-            $cart = $this->Carts->patchEntity([
+            $cart = $this->Carts->patchEntity($cart, [
                 $this->userIdField => $identity->getIdentifier(),
             ]);