diff --git a/src/OrcaSlicer_app_msvc.cpp b/src/OrcaSlicer_app_msvc.cpp
index b0509d1a9f..a54c3924a9 100644
--- a/src/OrcaSlicer_app_msvc.cpp
+++ b/src/OrcaSlicer_app_msvc.cpp
@@ -14,8 +14,8 @@ extern "C"
 {
     // Let the NVIDIA and AMD know we want to use their graphics card
     // on a dual graphics card system.
-    __declspec(dllexport) DWORD NvOptimusEnablement = 0x00000000;
-    __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 0;
+    __declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
+    __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
 }
 #endif /* SLIC3R_GUI */