diff --git a/pay-api/src/pay_api/services/base_payment_system.py b/pay-api/src/pay_api/services/base_payment_system.py
index 80f30193a..0e6cd920f 100644
--- a/pay-api/src/pay_api/services/base_payment_system.py
+++ b/pay-api/src/pay_api/services/base_payment_system.py
@@ -241,7 +241,7 @@ def _publish_refund_to_mailer(invoice: InvoiceModel):
         gcp_queue_publisher.publish_to_queue(
             gcp_queue_publisher.QueueMessage(
                 source=QueueSources.PAY_API.value,
-                message_type=f'bc.registry.{invoice.payment_method_code.lower()}.refundRequest',
+                message_type=QueueMessageTypes.REFUND_DRAWDOWN_REQUEST.value,
                 payload=payload,
                 topic=current_app.config.get('ACCOUNT_MAILER_TOPIC')
             )