diff --git a/src/xenia/app/xenia_main.cc b/src/xenia/app/xenia_main.cc
index 710edfd1b..865d28cf3 100644
--- a/src/xenia/app/xenia_main.cc
+++ b/src/xenia/app/xenia_main.cc
@@ -26,16 +26,6 @@
 // Available graphics systems:
 #include "xenia/gpu/gl4/gl4_graphics_system.h"
 
-// Nvidia Optimus/AMD PowerXpress support
-// http://developer.download.nvidia.com/devzone/devcenter/gamegraphics/files/OptimusRenderingPolicies.pdf
-// http://stackoverflow.com/questions/17458803/amd-equivalent-to-nvoptimusenablement
-#if XE_PLATFORM_WIN32
-extern "C" {
-	__declspec(dllexport) unsigned long NvOptimusEnablement = 0x00000001;
-	__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
-}
-#endif // XE_PLATFORM_WIN32
-
 // Available input drivers:
 #include "xenia/hid/nop/nop_hid.h"
 #if XE_PLATFORM_WIN32
diff --git a/src/xenia/gpu/graphics_system.cc b/src/xenia/gpu/graphics_system.cc
index 25b38dced..617c74a65 100644
--- a/src/xenia/gpu/graphics_system.cc
+++ b/src/xenia/gpu/graphics_system.cc
@@ -22,6 +22,18 @@
 namespace xe {
 namespace gpu {
 
+// Nvidia Optimus/AMD PowerXpress support.
+// These exports force the process to trigger the discrete GPU in multi-GPU
+// systems.
+// http://developer.download.nvidia.com/devzone/devcenter/gamegraphics/files/OptimusRenderingPolicies.pdf
+// http://stackoverflow.com/questions/17458803/amd-equivalent-to-nvoptimusenablement
+#if XE_PLATFORM_WIN32
+extern "C" {
+__declspec(dllexport) uint32_t NvOptimusEnablement = 0x00000001;
+__declspec(dllexport) uint32_t AmdPowerXpressRequestHighPerformance = 1;
+}  // extern "C"
+#endif  // XE_PLATFORM_WIN32
+
 GraphicsSystem::GraphicsSystem() : vsync_worker_running_(false) {}
 
 GraphicsSystem::~GraphicsSystem() = default;