diff --git a/ddraw.def b/ddraw.def
index ff1a079..c2b0db0 100644
--- a/ddraw.def
+++ b/ddraw.def
@@ -4,3 +4,5 @@ EXPORTS
     DirectDrawCreate                     @1
     DirectDrawEnumerateA                 @2
     GameHandlesClose                     DATA
+    NvOptimusEnablement                  DATA
+    AmdPowerXpressRequestHighPerformance DATA
diff --git a/src/main.c b/src/main.c
index a385297..0d7060b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -48,6 +48,8 @@ int WindowState = -1;
 BOOL Direct3D9Active;
 BOOL GameHandlesClose;
 BOOL ChildWindowExists;
+DWORD NvOptimusEnablement = 1;
+DWORD AmdPowerXpressRequestHighPerformance = 1;
 
 //BOOL WINAPI DllMainCRTStartup(HINSTANCE hinstDLL, DWORD dwReason, LPVOID lpvReserved)
 BOOL WINAPI DllMain(HANDLE hDll, DWORD dwReason, LPVOID lpReserved)