diff --git a/src/Tools/ExternalAccess/Razor/Microsoft.CodeAnalysis.ExternalAccess.Razor.csproj b/src/Tools/ExternalAccess/Razor/Microsoft.CodeAnalysis.ExternalAccess.Razor.csproj
index 2389fb6abd072..7f53ed21abe3c 100644
--- a/src/Tools/ExternalAccess/Razor/Microsoft.CodeAnalysis.ExternalAccess.Razor.csproj
+++ b/src/Tools/ExternalAccess/Razor/Microsoft.CodeAnalysis.ExternalAccess.Razor.csproj
@@ -22,6 +22,7 @@
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Razor.Workspaces" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.VisualStudio.Editor.Razor" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.VisualStudio.LanguageServices.Razor" Key="$(RazorKey)" />
+    <InternalsVisibleTo Include="Microsoft.VisualStudio.Mac.LanguageServices.Razor" Key="$(RazorKey)" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Workspaces/Core/Portable/Microsoft.CodeAnalysis.Workspaces.csproj b/src/Workspaces/Core/Portable/Microsoft.CodeAnalysis.Workspaces.csproj
index 4882e09536181..dfedef0554947 100644
--- a/src/Workspaces/Core/Portable/Microsoft.CodeAnalysis.Workspaces.csproj
+++ b/src/Workspaces/Core/Portable/Microsoft.CodeAnalysis.Workspaces.csproj
@@ -290,6 +290,7 @@
     <InternalsVisibleTo Include="MonoDevelop.Refactoring.Tests" Key="$(MonoDevelopKey)" LoadsWithinVisualStudio="false" />
     <InternalsVisibleTo Include="MonoDevelop.CSharpBinding.Tests" Key="$(MonoDevelopKey)" LoadsWithinVisualStudio="false" />
     <InternalsVisibleTo Include="MonoDevelop.VBNetBinding.Tests" Key="$(MonoDevelopKey)" LoadsWithinVisualStudio="false" />
+    <InternalsVisibleTo Include="Microsoft.VisualStudio.Mac.LanguageServices.Razor" Key="$(RazorKey)" LoadsWithinVisualStudio="false" />
     <!-- this is currently built externally, as part of the MonoDevelop build -->
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.EditorFeatures.Cocoa" LoadsWithinVisualStudio="false" />
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.EditorFeatures.Cocoa.UnitTests" LoadsWithinVisualStudio="false" />