diff --git a/vendor/magento/module-gift-wrapping-graph-ql/etc/graphql/di.xml b/vendor/magento/module-gift-wrapping-graph-ql/etc/graphql/di.xml
index 269125bf335e..4de0beeb712f 100644
--- a/vendor/magento/module-gift-wrapping-graph-ql/etc/graphql/di.xml
+++ b/vendor/magento/module-gift-wrapping-graph-ql/etc/graphql/di.xml
@@ -25,4 +25,18 @@
     <type name="Magento\QuoteGraphQl\Model\Resolver\UpdateCartItems">
         <plugin name="set-gift-wrapping-id-resolver" type="Magento\GiftWrappingGraphQl\Plugin\Mutation\SetGiftWrappingId"/>
     </type>
+    <type name="Magento\QuoteGraphQl\Model\Resolver\MergeCarts">
+        <arguments>
+            <argument name="fields" xsi:type="array">
+                <item name="gw_id" xsi:type="string">gw_id</item>
+                <item name="gw_base_price" xsi:type="string">gw_base_price</item>
+                <item name="gw_price" xsi:type="string">gw_price</item>
+                <item name="gw_base_tax_amount" xsi:type="string">gw_base_tax_amount</item>
+                <item name="gw_add_card" xsi:type="string">gw_add_card</item>
+                <item name="gw_card_price" xsi:type="string">gw_card_price</item>
+                <item name="gw_card_base_price" xsi:type="string">gw_card_base_price</item>
+                <item name="gw_allow_gift_receipt" xsi:type="string">gw_allow_gift_receipt</item>
+            </argument>
+        </arguments>
+    </type>
 </config>