diff --git a/windows/runner/main.cpp b/windows/runner/main.cpp
index 7b4fcdaa..4c305dd0 100644
--- a/windows/runner/main.cpp
+++ b/windows/runner/main.cpp
@@ -18,6 +18,7 @@ int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
   ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
 
   flutter::DartProject project(L"data");
+  project.set_ui_thread_policy(flutter::UIThreadPolicy::RunOnSeparateThread);
 
   std::vector<std::string> command_line_arguments =
       GetCommandLineArguments();