diff --git a/src/mono/mono/metadata/marshal-lightweight.c b/src/mono/mono/metadata/marshal-lightweight.c
index 84368074999154..70a8ee0ede2947 100644
--- a/src/mono/mono/metadata/marshal-lightweight.c
+++ b/src/mono/mono/metadata/marshal-lightweight.c
@@ -1976,7 +1976,7 @@ emit_delegate_invoke_internal_ilgen (MonoMethodBuilder *mb, MonoMethodSignature
 	local_target = mono_mb_add_local (mb, object_type);
 
 	if (!void_ret)
-		local_res = mono_mb_add_local (mb, m_class_get_byval_arg (mono_class_from_mono_type_internal (sig->ret)));
+		local_res = mono_mb_add_local (mb, sig->ret);
 
 	g_assert (sig->hasthis);