diff --git a/thermion_dart/native/src/windows/vulkan/main.cpp b/thermion_dart/native/src/windows/vulkan/main.cpp
index 63ca5d31..5224a9bc 100644
--- a/thermion_dart/native/src/windows/vulkan/main.cpp
+++ b/thermion_dart/native/src/windows/vulkan/main.cpp
@@ -32,6 +32,10 @@ int main()
    uint32_t width = 100;
    uint32_t height = 100;
    auto handle = ctx->CreateRenderingSurface(width, height, 0, 0);
+
+   if(!handle) {
+      std::cout << "NO RENDERING SURFACE" << std::endl;
+   }
       
    auto *engine = filament::Engine::create(filament::Engine::Backend::VULKAN, ctx->GetPlatform(), nullptr, nullptr);
    auto *swapChain = engine->createSwapChain(width,height, filament::backend::SWAP_CHAIN_CONFIG_TRANSPARENT | filament::backend::SWAP_CHAIN_CONFIG_READABLE | filament::SwapChain::CONFIG_HAS_STENCIL_BUFFER);