diff --git a/src/layouts/payment/payment.vue b/src/layouts/payment/payment.vue
index 95f427b8f..d86859668 100644
--- a/src/layouts/payment/payment.vue
+++ b/src/layouts/payment/payment.vue
@@ -350,8 +350,8 @@ export default {
         const taxedVaps = mapTaxedLineItemsToStoreFormat(taxedLineItems, availableVaps);
 
         // Add items that were not in the store yet but added via query string promo validation
-        lineItems.promos = lineItems.promos ?? [];
-        lineItems.promos.push(...newValidatedPromos);
+        //newValidatedPromos contains both validated and revalidated promos.
+        lineItems.promos = Array.from(newValidatedPromos);
         const vapsToAddToCart = getVapsThatNeedToBeAddedToSatisfyPromos(
             newValidatedPromos,
             taxedVaps,