diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
index 9205e66..69ecc05 100644
--- a/Source/WebCore/ChangeLog
+++ b/Source/WebCore/ChangeLog
@@ -1,3 +1,13 @@
+2019-10-15  Ryosuke Niwa  <rniwa@webkit.org>
+
+        [iOS] Crash in WebCore::DOMWindow::incrementScrollEventListenersCount
+        https://bugs.webkit.org/show_bug.cgi?id=202878
+
+        Unreviewed. Addressed Darin's post-commit review comment.
+
+        * dom/Node.cpp:
+        (WebCore::tryAddEventListener):
+
 2019-10-15  Chris Dumez  <cdumez@apple.com>
 
         [macOS] Simplify main thread initialization
diff --git a/Source/WebCore/dom/Node.cpp b/Source/WebCore/dom/Node.cpp
index cded7de..adbb31d 100644
--- a/Source/WebCore/dom/Node.cpp
+++ b/Source/WebCore/dom/Node.cpp
@@ -2116,7 +2116,7 @@
 #if PLATFORM(IOS_FAMILY)
     if (targetNode == &targetNode->document() && eventType == eventNames().scrollEvent) {
         if (auto* window = targetNode->document().domWindow())
-            targetNode->document().domWindow()->incrementScrollEventListenersCount();
+            window->incrementScrollEventListenersCount();
     }
 
 #if ENABLE(TOUCH_EVENTS)