diff --git a/api/app/services/sync_service.py b/api/app/services/sync_service.py
index 9abd778..71b50bc 100644
--- a/api/app/services/sync_service.py
+++ b/api/app/services/sync_service.py
@@ -103,7 +103,7 @@ def _derive_customer_info(order):
         customer = shipping_name or billing_name
     payment_method = getattr(order, 'payment_name', None) or None
     delivery_method = getattr(order, 'delivery_name', None) or None
-    return shipping_name, billing_name, customer, payment_method, delivery_method
+    return shipping_name.upper(), billing_name.upper(), customer.upper(), payment_method, delivery_method
 
 
 async def _fix_stale_error_orders(existing_map: dict, run_id: str):