diff --git a/ICSharpCode.Decompiler/TypeSystem/Implementation/MetadataTypeDefinition.cs b/ICSharpCode.Decompiler/TypeSystem/Implementation/MetadataTypeDefinition.cs
index 1f58efc4c3..560683e55c 100644
--- a/ICSharpCode.Decompiler/TypeSystem/Implementation/MetadataTypeDefinition.cs
+++ b/ICSharpCode.Decompiler/TypeSystem/Implementation/MetadataTypeDefinition.cs
@@ -323,7 +323,7 @@ public IEnumerable<IType> DirectBaseTypes {
 					EntityHandle baseTypeHandle = td.BaseType;
 					if (!baseTypeHandle.IsNil)
 					{
-						baseType = module.ResolveType(baseTypeHandle, context);
+						baseType = module.ResolveType(baseTypeHandle, context, metadata.GetCustomAttributes(this.handle), Nullability.Oblivious);
 					}
 				}
 				catch (BadImageFormatException)