From 3ceb7af6ab57a891f7efa2233b38a11946724930 Mon Sep 17 00:00:00 2001
From: Jason Quense <monastic.panic@gmail.com>
Date: Fri, 28 Aug 2015 09:25:02 -0400
Subject: [PATCH] [fixed] allow null activeKey (empty) selection

fixes #1227 I believe
---
 src/Tabs.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Tabs.js b/src/Tabs.js
index cb06ddb363..ceb8126341 100644
--- a/src/Tabs.js
+++ b/src/Tabs.js
@@ -196,7 +196,7 @@ const Tabs = React.createClass({
   },
 
   getActiveKey() {
-    return this.props.activeKey != null ? this.props.activeKey : this.state.activeKey;
+    return this.props.activeKey !== undefined ? this.props.activeKey : this.state.activeKey;
   },
 
   renderPane(child, index) {