diff --git a/Directory.Build.props b/Directory.Build.props
index 4903cd2..82e429e 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
   <PropertyGroup>
-    <Version>2025.12.12.2</Version>
+    <Version>2025.12.17.0</Version>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <LangVersion>preview</LangVersion>
diff --git a/src/libraries/TedToolkit.RoslynHelper/Names/BaseName.cs b/src/libraries/TedToolkit.RoslynHelper/Names/BaseName.cs
index 46ab840..e8961f2 100644
--- a/src/libraries/TedToolkit.RoslynHelper/Names/BaseName.cs
+++ b/src/libraries/TedToolkit.RoslynHelper/Names/BaseName.cs
@@ -16,7 +16,8 @@ private protected BaseName(T symbol)
         Symbol = symbol;
         _lazyFullName = new Lazy<string>(() => symbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat));
         _lazyFullNameNull = new Lazy<string>(() => symbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat
-            .WithMiscellaneousOptions(SymbolDisplayMiscellaneousOptions.IncludeNullableReferenceTypeModifier)));
+            .WithMiscellaneousOptions(SymbolDisplayMiscellaneousOptions.IncludeNullableReferenceTypeModifier |
+                                      SymbolDisplayMiscellaneousOptions.ExpandNullable)));
         _lazyFullNameNoGlobal = new Lazy<string>(() => symbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat
             .WithGlobalNamespaceStyle(SymbolDisplayGlobalNamespaceStyle.Omitted)));
         _lazyMiniName = new Lazy<string>(() => symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat));