diff --git a/lib/medusa/index.ts b/lib/medusa/index.ts
index 199ab5f64..ecf61c8f7 100644
--- a/lib/medusa/index.ts
+++ b/lib/medusa/index.ts
@@ -64,7 +64,7 @@ export default async function medusaRequest(
 }
 
 const reshapeCart = (cart: MedusaCart): Cart => {
-  const lines = cart.items?.map((item) => reshapeLineItem(item)) || [];
+  const lines = cart?.items?.map((item) => reshapeLineItem(item)) || [];
   const totalQuantity = lines.length;
   const checkoutUrl = '/';
   const currencyCode = 'EUR';