From 98ba0e1aa6761ed2f2ed029ff949dddec4e33b37 Mon Sep 17 00:00:00 2001
From: jarett-lee <jarett.lee.pi@gmail.com>
Date: Sat, 29 Sep 2018 21:02:02 -0400
Subject: [PATCH] Fixed potential race condition

---
 src/FirebaseAuth.jsx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/FirebaseAuth.jsx b/src/FirebaseAuth.jsx
index 17943629..e234add5 100644
--- a/src/FirebaseAuth.jsx
+++ b/src/FirebaseAuth.jsx
@@ -87,10 +87,11 @@ export default class FirebaseAuth extends React.Component {
    * @inheritDoc
    */
   componentWillUnmount() {
-    return firebaseUiDeletion.then(() => {
+    firebaseUiDeletion = firebaseUiDeletion.then(() => {
       this.unregisterAuthObserver();
-      firebaseUiDeletion = this.firebaseUiWidget.delete();
+      return this.firebaseUiWidget.delete();
     });
+    return firebaseUiDeletion;
   }
 
   /**