diff --git a/src/Markup/Perspex.Markup.Xaml/Perspex.Markup.Xaml.csproj b/src/Markup/Perspex.Markup.Xaml/Perspex.Markup.Xaml.csproj
index ea64071aa3..984762d50f 100644
--- a/src/Markup/Perspex.Markup.Xaml/Perspex.Markup.Xaml.csproj
+++ b/src/Markup/Perspex.Markup.Xaml/Perspex.Markup.Xaml.csproj
@@ -42,6 +42,7 @@
     </Compile>
     <Compile Include="Context\NameScopeWrapper.cs" />
     <Compile Include="Context\PerspexAttachableXamlMember.cs" />
+    <Compile Include="Context\PerspexMemberValuePlugin.cs" />
     <Compile Include="Context\PerspexNamespaceRegistry.cs" />
     <Compile Include="Context\PerspexObjectAssembler.cs" />
     <Compile Include="Context\PerspexTypeFeatureProvider.cs" />