diff --git a/OptiScaler/OptiScaler.vcxproj b/OptiScaler/OptiScaler.vcxproj
index 39a25e0b..bc611838 100644
--- a/OptiScaler/OptiScaler.vcxproj
+++ b/OptiScaler/OptiScaler.vcxproj
@@ -209,6 +209,7 @@ copy $(SolutionDir)nvngx.ini $(SolutionDir)x64\Release\a\</Command>
     <ClInclude Include="detours\detours.h" />
     <ClInclude Include="bicubicscaling\BS_Dx12.h" />
     <ClInclude Include="dllmain.h" />
+    <ClInclude Include="backends\IFeatureEvaluateParams_DLSS.h" />
     <ClInclude Include="imgui\imgui\imconfig.h" />
     <ClInclude Include="imgui\imgui\imgui.h" />
     <ClInclude Include="imgui\imgui\imgui_impl_dx11.h" />