diff --git a/backend/src/services/shippingService.js b/backend/src/services/shippingService.js
index 12e15b7..cd89ab9 100644
--- a/backend/src/services/shippingService.js
+++ b/backend/src/services/shippingService.js
@@ -122,7 +122,7 @@ const shippingService = {
     // Filter by allowed carriers
     let filteredRates = rates.filter(rate => 
       config.shipping.carriersAllowed.some(carrier => 
-        rate.carrier.toUpperCase().includes(carrier.toUpperCase())
+        rate.carrier.toUpperCase().replaceAll(' ', '').includes(carrier.toUpperCase().replaceAll(' ', ''))
       )
     );