diff --git a/.changeset/smart-stamps-shake.md b/.changeset/smart-stamps-shake.md
new file mode 100644
index 0000000000000..76f141f5f3221
--- /dev/null
+++ b/.changeset/smart-stamps-shake.md
@@ -0,0 +1,5 @@
+---
+"@medusajs/core-flows": patch
+---
+
+fix(core-flows): avoid overriding customer and region from setPricingContext hook result
diff --git a/packages/core/core-flows/src/cart/workflows/get-variants-and-items-with-prices.ts b/packages/core/core-flows/src/cart/workflows/get-variants-and-items-with-prices.ts
index f82931cc03994..47e3285124727 100644
--- a/packages/core/core-flows/src/cart/workflows/get-variants-and-items-with-prices.ts
+++ b/packages/core/core-flows/src/cart/workflows/get-variants-and-items-with-prices.ts
@@ -105,12 +105,12 @@ export const getVariantsAndItemsWithPrices = createWorkflow(
         const cart = data.cart
         const baseContext = {
           ...filterObjectByKeys(cart, cartFieldsForPricingContext),
+          customer: cart.customer,
+          region: cart.region,
           ...(data.setPricingContextResult ? data.setPricingContextResult : {}),
           currency_code: cart.currency_code ?? cart.region?.currency_code,
           region_id: cart.region_id,
-          region: cart.region,
           customer_id: cart.customer_id,
-          customer: cart.customer,
         }
 
         return (data.items ?? cart.items ?? [])