From f7eab31fc41c0ac26ea26dfe7efa121fb93f9d84 Mon Sep 17 00:00:00 2001
From: ehesp <elliot.hesp@gmail.com>
Date: Wed, 7 Aug 2019 08:39:15 +0100
Subject: [PATCH] Fix #2449

---
 packages/firestore/lib/FirestoreDocumentReference.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/packages/firestore/lib/FirestoreDocumentReference.js b/packages/firestore/lib/FirestoreDocumentReference.js
index 682033da..59775cc7 100644
--- a/packages/firestore/lib/FirestoreDocumentReference.js
+++ b/packages/firestore/lib/FirestoreDocumentReference.js
@@ -137,9 +137,9 @@ export default class FirestoreDocumentReference {
       throw new Error(`firebase.firestore().doc().onSnapshot(*) ${e.message}`);
     }
 
-    function handleSuccess(querySnapshot) {
-      callback(querySnapshot, null);
-      onNext(querySnapshot);
+    function handleSuccess(documentSnapshot) {
+      callback(documentSnapshot, null);
+      onNext(documentSnapshot);
     }
 
     function handleError(error) {
@@ -157,7 +157,6 @@ export default class FirestoreDocumentReference {
         } else {
           const documentSnapshot = new FirestoreDocumentSnapshot(
             this._firestore,
-            this,
             event.body.snapshot,
           );
           handleSuccess(documentSnapshot);