diff --git a/src/xenia/app/xenia_main.cc b/src/xenia/app/xenia_main.cc
index 80ed35551..3bfd11cb4 100644
--- a/src/xenia/app/xenia_main.cc
+++ b/src/xenia/app/xenia_main.cc
@@ -35,7 +35,7 @@
 #endif  // XE_PLATFORM_WIN32
 
 DEFINE_string(apu, "any", "Audio system. Use: [any, nop, xaudio2]");
-DEFINE_string(gpu, "any", "Graphics system. Use: [any, gl4]");
+DEFINE_string(gpu, "any", "Graphics system. Use: [any, gl4, vulkan]");
 DEFINE_string(hid, "any", "Input system. Use: [any, nop, winkey, xinput]");
 
 DEFINE_string(target, "", "Specifies the target .xex or .iso to execute.");
@@ -78,7 +78,7 @@ std::unique_ptr<gpu::GraphicsSystem> CreateGraphicsSystem() {
     std::unique_ptr<gpu::GraphicsSystem> best;
 
     best = std::unique_ptr<gpu::GraphicsSystem>(
-        new xe::gpu::vulkan::VulkanGraphicsSystem());
+        new xe::gpu::gl4::GL4GraphicsSystem());
     if (best) {
       return best;
     }