diff --git a/partnerapi/onpoint/const.go b/partnerapi/onpoint/const.go
index 4df52f3..5c406a6 100644
--- a/partnerapi/onpoint/const.go
+++ b/partnerapi/onpoint/const.go
@@ -28,7 +28,7 @@ const (
 	headerXSignature = "x-signature"
 
 	webhookEventUpdateOrderStatus = "UPDATE_ORDER_STATUS"
-	webhookEventUpdateInventory   = "update_inventory"
+	webhookEventUpdateInventory   = "UPDATE_INVENTORY"
 )
 
 var (