diff --git a/shell/platform/windows/flutter_windows_engine.cc b/shell/platform/windows/flutter_windows_engine.cc
index b49e6ece3b611..1f3d1e72e93d3 100644
--- a/shell/platform/windows/flutter_windows_engine.cc
+++ b/shell/platform/windows/flutter_windows_engine.cc
@@ -327,18 +327,19 @@ bool FlutterWindowsEngine::Run(std::string_view entrypoint) {
     auto host = static_cast<FlutterWindowsEngine*>(user_data);
     host->OnPreEngineRestart();
   };
-  args.update_semantics_callback = [](const FlutterSemanticsUpdate* update,
-                                      void* user_data) {
+  args.update_semantics_callback2 = [](const FlutterSemanticsUpdate2* update,
+                                       void* user_data) {
     auto host = static_cast<FlutterWindowsEngine*>(user_data);
 
-    for (size_t i = 0; i < update->nodes_count; i++) {
-      host->accessibility_bridge_->AddFlutterSemanticsNodeUpdate(
-          update->nodes[i]);
+    for (size_t i = 0; i < update->node_count; i++) {
+      const FlutterSemanticsNode2* node = update->nodes[i];
+      host->accessibility_bridge_->AddFlutterSemanticsNodeUpdate(*node);
     }
 
-    for (size_t i = 0; i < update->custom_actions_count; i++) {
+    for (size_t i = 0; i < update->custom_action_count; i++) {
+      const FlutterSemanticsCustomAction2* action = update->custom_actions[i];
       host->accessibility_bridge_->AddFlutterSemanticsCustomActionUpdate(
-          update->custom_actions[i]);
+          *action);
     }
 
     host->accessibility_bridge_->CommitUpdates();
diff --git a/shell/platform/windows/flutter_windows_engine_unittests.cc b/shell/platform/windows/flutter_windows_engine_unittests.cc
index 7a503aae7b3a7..f0d9492d423aa 100644
--- a/shell/platform/windows/flutter_windows_engine_unittests.cc
+++ b/shell/platform/windows/flutter_windows_engine_unittests.cc
@@ -60,7 +60,8 @@ TEST_F(FlutterWindowsEngineTest, RunDoesExpectedInitialization) {
         EXPECT_NE(args->custom_task_runners->thread_priority_setter, nullptr);
         EXPECT_EQ(args->custom_dart_entrypoint, nullptr);
         EXPECT_NE(args->vsync_callback, nullptr);
-        EXPECT_NE(args->update_semantics_callback, nullptr);
+        EXPECT_EQ(args->update_semantics_callback, nullptr);
+        EXPECT_NE(args->update_semantics_callback2, nullptr);
         EXPECT_EQ(args->update_semantics_node_callback, nullptr);
         EXPECT_EQ(args->update_semantics_custom_action_callback, nullptr);