diff --git a/view/carrier_tree.xml b/view/carrier_tree.xml
index d618c6a597..e4f6c45322 100644
--- a/view/carrier_tree.xml
+++ b/view/carrier_tree.xml
@@ -3,6 +3,6 @@
 this repository contains the full copyright notices and license terms. -->
 <data>
     <xpath expr="/tree/field[@name='party']" position="after">
-        <field name="shipping_service" expand="1"/>
+        <field name="shipping_service" expand="1" optional="1"/>
     </xpath>
 </data>