diff --git a/src/coreclr/nativeaot/System.Private.TypeLoader/src/Internal/Runtime/TypeLoader/TypeLoaderEnvironment.MetadataSignatureParsing.cs b/src/coreclr/nativeaot/System.Private.TypeLoader/src/Internal/Runtime/TypeLoader/TypeLoaderEnvironment.MetadataSignatureParsing.cs
index 07674dded3541c59b5fe9cc985a5f3a96d2a7b59..1a1cd76cc4ddfd5c446d3369dfbbef4d26fda915 100644
--- a/src/coreclr/nativeaot/System.Private.TypeLoader/src/Internal/Runtime/TypeLoader/TypeLoaderEnvironment.MetadataSignatureParsing.cs
+++ b/src/coreclr/nativeaot/System.Private.TypeLoader/src/Internal/Runtime/TypeLoader/TypeLoaderEnvironment.MetadataSignatureParsing.cs
@@ -173,12 +173,23 @@ internal static NativeParser GetNativeParserForSignature(RuntimeSignature signat
 
         private bool CompareTypeSigWithType(ref NativeParser parser, TypeManagerHandle moduleHandle, Handle typeHandle)
         {
-            while (typeHandle.HandleType == HandleType.TypeSpecification)
+            while (typeHandle.HandleType == HandleType.TypeSpecification
+                || typeHandle.HandleType == HandleType.ModifiedType)
             {
-                typeHandle = typeHandle
-                    .ToTypeSpecificationHandle(_metadataReader)
-                    .GetTypeSpecification(_metadataReader)
-                    .Signature;
+                if (typeHandle.HandleType == HandleType.TypeSpecification)
+                {
+                    typeHandle = typeHandle
+                        .ToTypeSpecificationHandle(_metadataReader)
+                        .GetTypeSpecification(_metadataReader)
+                        .Signature;
+                }
+                else
+                {
+                    typeHandle = typeHandle
+                        .ToModifiedTypeHandle(_metadataReader)
+                        .GetModifiedType(_metadataReader)
+                        .Type;
+                }
             }
 
             // startOffset lets us backtrack to the TypeSignatureKind for external types since the TypeLoader