diff --git a/event_delivery.go b/event_delivery.go
index 15b9569..887037c 100644
--- a/event_delivery.go
+++ b/event_delivery.go
@@ -57,7 +57,7 @@ type ListEventDeliveryResponse struct {
 
 type EventDeliveryParams struct {
 	ListParams
-	EventType      string    `url:"event_type"`
+	EventType      string    `url:"eventType"`
 	EventID        string    `url:"eventId"`
 	Status         []string  `url:"status"`
 	EndpointID     []string  `url:"endpointId"`