diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp
index 45d13da8287..ce791336649 100644
--- a/platform/windows/os_windows.cpp
+++ b/platform/windows/os_windows.cpp
@@ -56,6 +56,9 @@
 #include "shlobj.h"
 static const WORD MAX_CONSOLE_LINES = 1500;
 
+extern "C" {
+	_declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
+}
 
 //#define STDOUT_FILE