diff --git a/packages/react-native/ReactCommon/react/renderer/mounting/ShadowTree.cpp b/packages/react-native/ReactCommon/react/renderer/mounting/ShadowTree.cpp
index 9666041e47fe..928ddf3ef39d 100644
--- a/packages/react-native/ReactCommon/react/renderer/mounting/ShadowTree.cpp
+++ b/packages/react-native/ReactCommon/react/renderer/mounting/ShadowTree.cpp
@@ -422,7 +422,7 @@ CommitStatus ShadowTree::tryCommit(
 
     auto newRevisionNumber = currentRevision_.number + 1;
 
-    {
+    if (!isReactBranch) {
       std::scoped_lock dispatchLock(EventEmitter::DispatchMutex());
       updateMountedFlag(
           currentRevision_.rootShadowNode->getChildren(),