diff --git a/ICSharpCode.Decompiler/TypeSystem/Implementation/MetadataMethod.cs b/ICSharpCode.Decompiler/TypeSystem/Implementation/MetadataMethod.cs
index 17b24b0e0c..7964a590ed 100644
--- a/ICSharpCode.Decompiler/TypeSystem/Implementation/MetadataMethod.cs
+++ b/ICSharpCode.Decompiler/TypeSystem/Implementation/MetadataMethod.cs
@@ -271,7 +271,8 @@ internal static (IType returnType, IParameter[] parameters, ModifiedType returnT
 			}
 			Debug.Assert(i == parameters.Length);
 			var returnType = ApplyAttributeTypeVisitor.ApplyAttributesToType(signature.ReturnType,
-				module.Compilation, returnTypeAttributes, metadata, typeSystemOptions, nullableContext);
+				module.Compilation, returnTypeAttributes, metadata, typeSystemOptions, nullableContext,
+				additionalAttributes: additionalReturnTypeAttributes);
 			return (returnType, parameters, signature.ReturnType as ModifiedType);
 		}
 		#endregion