diff --git a/src/EntityListener/GatewayTransactionListener.php b/src/EntityListener/GatewayTransactionListener.php
index 745fc5f9..c9007aaf 100644
--- a/src/EntityListener/GatewayTransactionListener.php
+++ b/src/EntityListener/GatewayTransactionListener.php
@@ -66,7 +66,7 @@ class GatewayTransactionListener
         }
 
         // flag on api as paid
-        $result = $this->ic->tagApplicationPaid($obj->getID());
+        $result = $this->ic->tagApplicationPaid($obj->getExtTransactionId());
         if (!$result['success'] || $result['response']['transaction_code'] !== 'GR004') {
             error_log("INSURANCE MARK AS PAID FAILED FOR " . $obj->getID() . ": " . $result['error']['message']);
         }