diff --git a/libs/sdl2/source/window.cpp b/libs/sdl2/source/window.cpp
index d8559a9f..d2f2bf9b 100644
--- a/libs/sdl2/source/window.cpp
+++ b/libs/sdl2/source/window.cpp
@@ -81,11 +81,7 @@ namespace psemek::sdl2
 
 		wgpu::adapter::request_options adapter_request_options;
 		adapter_request_options.compatible_surface = wgpu_surface_;
-#if defined(_WIN32)
-		adapter_request_options.backend_type = wgpu::backend_type::d3d12;
-#else
-		adapter_request_options.backend_type = wgpu::backend_type::vulkan;
-#endif
+		adapter_request_options.backend_type = wgpu::backend_type::undefined;
 
 		instance.request_adapter(adapter_request_options, [this](wgpu::adapter::request_status status, wgpu::adapter adapter_in, std::string const & message)
 		{
diff --git a/libs/wgpu/source/instance.cpp b/libs/wgpu/source/instance.cpp
index 163c9594..6d6233f1 100644
--- a/libs/wgpu/source/instance.cpp
+++ b/libs/wgpu/source/instance.cpp
@@ -1,13 +1,33 @@
 #include <psemek/wgpu/instance.hpp>
 #include <psemek/wgpu/external/webgpu.h>
+#include <psemek/wgpu/external/wgpu.h>
 
 namespace psemek::wgpu
 {
 
+	namespace
+	{
+
+		struct extras
+		{};
+
+		detail::chained_struct_ptr to_chained_struct(extras const &)
+		{
+			WGPUInstanceExtras chained = {};
+			chained.chain.sType = (WGPUSType)WGPUSType_InstanceExtras;
+			chained.backends = WGPUInstanceBackend_Primary;
+			return detail::make_chained_struct(chained);
+		}
+
+	}
+
 	instance instance::create(descriptor const & desc)
 	{
+		std::vector<chained_struct> chain = desc.chain;
+		chain.push_back(extras{});
+
 		WGPUInstanceDescriptor descriptor = {};
-		descriptor.nextInChain = (WGPUChainedStruct const *)detail::fill_chain(desc.chain);
+		descriptor.nextInChain = (WGPUChainedStruct const *)detail::fill_chain(chain);
 		return instance(wgpuCreateInstance(&descriptor));
 	}