diff --git a/src/Markup/Avalonia.Markup.Xaml/PortableXaml/AvaloniaXamlSchemaContext.cs b/src/Markup/Avalonia.Markup.Xaml/PortableXaml/AvaloniaXamlSchemaContext.cs
index 2d6e046f51..9a493a85c0 100644
--- a/src/Markup/Avalonia.Markup.Xaml/PortableXaml/AvaloniaXamlSchemaContext.cs
+++ b/src/Markup/Avalonia.Markup.Xaml/PortableXaml/AvaloniaXamlSchemaContext.cs
@@ -33,7 +33,7 @@ namespace Avalonia.Markup.Xaml.PortableXaml
 
         private IRuntimeTypeProvider _avaloniaTypeProvider;
 
-        protected internal override XamlType GetXamlType(string xamlNamespace, string name, params XamlType[] typeArguments)
+        protected override XamlType GetXamlType(string xamlNamespace, string name, params XamlType[] typeArguments)
         {
             XamlType type = null;
             try
diff --git a/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github b/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github
index 8abbe09592..ab55261737 160000
--- a/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github
+++ b/src/Markup/Avalonia.Markup.Xaml/PortableXaml/portable.xaml.github
@@ -1 +1 @@
-Subproject commit 8abbe09592668efb573ac4d5548ba2d7e464ba78
+Subproject commit ab5526173722b8988bc5ca3c03c8752ce89c0975