diff --git a/src/notifications/senders/AppleNotificationSender.ts b/src/notifications/senders/AppleNotificationSender.ts
index 2f458af..4aac769 100644
--- a/src/notifications/senders/AppleNotificationSender.ts
+++ b/src/notifications/senders/AppleNotificationSender.ts
@@ -119,7 +119,7 @@ export class AppleNotificationSender {
             alert: notificationAlertArguments,
             sound: "default"
           },
-          customKeys,
+          ...customKeys,
         });
         req.write(payload);
         req.end();