From 3943acdd776450ed166d950d1380f4e75d6d0d78 Mon Sep 17 00:00:00 2001
From: Adam Miskiewicz <adam@sk3vy.com>
Date: Wed, 28 Jun 2017 12:04:56 -0700
Subject: [PATCH] Revert "[BUGFIX] Use a proper source of headerBackTitle
 (#2007)" (#2018)

This reverts commit 075902147d92e2c5db62c5d66f63d1a4c527cc49.
---
 packages/react-navigation/src/views/Header.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/react-navigation/src/views/Header.js b/packages/react-navigation/src/views/Header.js
index 679baf42..081a5793 100644
--- a/packages/react-navigation/src/views/Header.js
+++ b/packages/react-navigation/src/views/Header.js
@@ -61,7 +61,7 @@ class Header extends React.PureComponent<void, HeaderProps, HeaderState> {
     if (!lastScene) {
       return null;
     }
-    const { headerBackTitle } = this.props.getScreenDetails(scene).options;
+    const { headerBackTitle } = this.props.getScreenDetails(lastScene).options;
     if (headerBackTitle || headerBackTitle === null) {
       return headerBackTitle;
     }