From 78f2775ed037e9707b1606186625e70693f39613 Mon Sep 17 00:00:00 2001
From: Dominic Gannaway <trueadm@users.noreply.github.com>
Date: Fri, 22 Mar 2019 10:28:03 +0000
Subject: [PATCH] Flip event passive logic on passiveBrowserEventsSupported
 (#15190)

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

diff --git a/packages/react-dom/src/events/ReactDOMEventListener.js b/packages/react-dom/src/events/ReactDOMEventListener.js
index 32da3c6106147..51897225474d6 100644
--- a/packages/react-dom/src/events/ReactDOMEventListener.js
+++ b/packages/react-dom/src/events/ReactDOMEventListener.js
@@ -188,11 +188,11 @@ export function trapEventForResponderEventSystem(
     // and can provide polyfills if needed.
     if (passive) {
       if (passiveBrowserEventsSupported) {
+        eventFlags |= IS_PASSIVE;
+      } else {
         eventFlags |= IS_ACTIVE;
         eventFlags |= PASSIVE_NOT_SUPPORTED;
         passive = false;
-      } else {
-        eventFlags |= IS_PASSIVE;
       }
     } else {
       eventFlags |= IS_ACTIVE;