diff --git a/SpeckleLib/SpeckleLib17.vcxproj b/SpeckleLib/SpeckleLib17.vcxproj
index b7c224e..6dc6cba 100644
--- a/SpeckleLib/SpeckleLib17.vcxproj
+++ b/SpeckleLib/SpeckleLib17.vcxproj
@@ -80,6 +80,7 @@
     <ClInclude Include="Speckle\Serialise\Detached\Storage\DetachedMemoryStore.h" />
     <ClInclude Include="Speckle\Serialise\Detached\Storage\DetachedObjectStore.h" />
     <ClInclude Include="Speckle\Serialise\JSBase\JSBaseTransport.h" />
+    <ClInclude Include="Speckle\Serialise\Types\ArchicadRGB.h" />
     <ClInclude Include="Speckle\Serialise\Types\Str256.h" />
     <ClInclude Include="Speckle\Serialise\Types\Units\LengthUnit.h" />
     <ClInclude Include="Speckle\SpeckleResource.h" />
@@ -284,6 +285,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <TreatAngleIncludeAsExternal>true</TreatAngleIncludeAsExternal>
       <ExternalWarningLevel>TurnOffAllWarnings</ExternalWarningLevel>
+      <PreprocessToFile>false</PreprocessToFile>
     </ClCompile>
     <Link>
       <SubSystem>
diff --git a/SpeckleLib/SpeckleLib17.vcxproj.filters b/SpeckleLib/SpeckleLib17.vcxproj.filters
index 3331655..42974d7 100644
--- a/SpeckleLib/SpeckleLib17.vcxproj.filters
+++ b/SpeckleLib/SpeckleLib17.vcxproj.filters
@@ -307,6 +307,9 @@
     <ClInclude Include="Speckle\Serialise\Types\Units\LengthUnit.h">
       <Filter>Speckle\Serialise\Types\Units</Filter>
     </ClInclude>
+    <ClInclude Include="Speckle\Serialise\Types\ArchicadRGB.h">
+      <Filter>Speckle\Serialise\Types</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Speckle\Environment\Addon.cpp">