diff --git a/_packs/controllers/cart_payment_methods_controller.js b/_packs/controllers/cart_payment_methods_controller.js
index 81d2e05..788012a 100644
--- a/_packs/controllers/cart_payment_methods_controller.js
+++ b/_packs/controllers/cart_payment_methods_controller.js
@@ -4,7 +4,7 @@ import { CartBaseController } from './cart_base_controller'
  * Retrieves payment methods and redirect to external checkouts
  */
 export default class extends CartBaseController {
-  static targets = [ 'form', 'submit' ]
+  static targets = [ 'form', 'submit', 'specialInstructions' ]
 
   async connect () {
     const orderToken = this.token
@@ -42,17 +42,21 @@ export default class extends CartBaseController {
 
     const payment_method_id = this.formTarget.elements.payment_method_id.value
     const orderToken = this.token
+    const special_instructions = this.specialInstructionsTarget.value.trim()
 
     // XXX: Currently SpreeClient expects us to send payment source
     // attributes as if it were a credit card.
     let response = await this.spree.checkout.orderUpdate({ orderToken },
       {
-        order: { payments_attributes: [{ payment_method_id }] },
-        payment_source: {
-          [payment_method_id]: {
-            name: 'Pepitx',
-            month: 12,
-            year: 2020
+        order: {
+          special_instructions,
+          payments_attributes: [{ payment_method_id }] },
+          payment_source: {
+            [payment_method_id]: {
+              name: 'Pepitx',
+              month: 12,
+              year: 2020
+            }
           }
         }
       })