From abe0faf3a18ea5f3765f2e0390e4cf0b3f25fc80 Mon Sep 17 00:00:00 2001
From: Dan Abramov <dan.abramov@gmail.com>
Date: Sun, 10 Dec 2017 13:09:10 +0000
Subject: [PATCH] Fix wrong deduplication condition

---
 packages/react-dom/src/client/ReactDOMFiberOption.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/react-dom/src/client/ReactDOMFiberOption.js b/packages/react-dom/src/client/ReactDOMFiberOption.js
index 834733e7721a4..663b9cf22cc77 100644
--- a/packages/react-dom/src/client/ReactDOMFiberOption.js
+++ b/packages/react-dom/src/client/ReactDOMFiberOption.js
@@ -38,9 +38,9 @@ function flattenChildren(children) {
 export function validateProps(element: Element, props: Object) {
   // TODO (yungsters): Remove support for `selected` in <option>.
   if (__DEV__) {
-    if (!didWarnSelectedSetOnOption) {
+    if (props.selected != null && !didWarnSelectedSetOnOption) {
       warning(
-        props.selected == null,
+        false,
         'Use the `defaultValue` or `value` props on <select> instead of ' +
           'setting `selected` on <option>.',
       );