diff --git a/apns2/client.py b/apns2/client.py
index ca5f1f4..fbb447c 100644
--- a/apns2/client.py
+++ b/apns2/client.py
@@ -147,7 +147,7 @@ class APNsClient(object):
 
         url = '/3/device/{}'.format(token_hex)
         response = self.__client.post('https://{}{}'.format(self.__server, url), headers=headers, data=json_payload)
-        return response.status_code, response.json()
+        return response.status_code, response.text
 
     def get_notification_result(self, status: int, reason: str) -> Union[str, Tuple[str, str]]:
         """