diff --git a/targets/lantiq-xway b/targets/lantiq-xway
index d551538cf8f060aef28abdc6edde5461ff10568e..42e9d835dff192eed3d601431a87cce584a6f214 100644
--- a/targets/lantiq-xway
+++ b/targets/lantiq-xway
@@ -12,6 +12,11 @@ device('avm-fritz-box-7312', 'avm_fritz7312', {
 	factory = false,
 })
 
+device('speedport-w504v', 'arcadyan_arv8539pw22', {
+	factory = false,
+	broken = true, -- barely tested, cannot be flashed without opening the case
+})
+
 device('netgear-dgn3500b', 'netgear_dgn3500b', {
 	factory_ext = '.img',
 })