diff --git a/cpp/sln/idevice++.vcxproj b/cpp/sln/idevice++.vcxproj
index a3fe149..93f0f54 100644
--- a/cpp/sln/idevice++.vcxproj
+++ b/cpp/sln/idevice++.vcxproj
@@ -54,10 +54,12 @@
     <ClInclude Include="..\include\idevice++\idevice.hpp" />
     <ClInclude Include="..\include\idevice++\location_simulation.hpp" />
     <ClInclude Include="..\include\idevice++\lockdown.hpp" />
+    <ClInclude Include="..\include\idevice++\option.hpp" />
     <ClInclude Include="..\include\idevice++\pairing_file.hpp" />
     <ClInclude Include="..\include\idevice++\provider.hpp" />
     <ClInclude Include="..\include\idevice++\readwrite.hpp" />
     <ClInclude Include="..\include\idevice++\remote_server.hpp" />
+    <ClInclude Include="..\include\idevice++\result.hpp" />
     <ClInclude Include="..\include\idevice++\rsd.hpp" />
     <ClInclude Include="..\include\idevice++\tcp_object_stack.hpp" />
     <ClInclude Include="..\include\idevice++\usbmuxd.hpp" />
@@ -177,7 +179,7 @@
       <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\..\ffi</AdditionalIncludeDirectories>
       <PrecompiledHeader />
       <PrecompiledHeaderFile />
-      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard>Default</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>
@@ -208,7 +210,7 @@
       <PrecompiledHeaderFile>
       </PrecompiledHeaderFile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\..\ffi</AdditionalIncludeDirectories>
-      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard>Default</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>
@@ -237,7 +239,7 @@
       <PrecompiledHeaderFile>
       </PrecompiledHeaderFile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\..\ffi</AdditionalIncludeDirectories>
-      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard>Default</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>
@@ -268,7 +270,7 @@
       <PrecompiledHeaderFile>
       </PrecompiledHeaderFile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\..\ffi</AdditionalIncludeDirectories>
-      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard>Default</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>
@@ -297,7 +299,7 @@
       <PrecompiledHeaderFile>
       </PrecompiledHeaderFile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\..\ffi</AdditionalIncludeDirectories>
-      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard>Default</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>
@@ -328,7 +330,7 @@
       <PrecompiledHeaderFile>
       </PrecompiledHeaderFile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\..\ffi</AdditionalIncludeDirectories>
-      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard>Default</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>
diff --git a/cpp/sln/idevice++.vcxproj.filters b/cpp/sln/idevice++.vcxproj.filters
index 2f6b401..e5a301e 100644
--- a/cpp/sln/idevice++.vcxproj.filters
+++ b/cpp/sln/idevice++.vcxproj.filters
@@ -116,5 +116,14 @@
     <ClInclude Include="..\include\idevice++\usbmuxd.hpp">
       <Filter>Header Files\idevice++</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\ffi\idevice.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\idevice++\option.hpp">
+      <Filter>Header Files\idevice++</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\idevice++\result.hpp">
+      <Filter>Header Files\idevice++</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file