diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index eef1d8aa0269..1e18774240b2 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -365,8 +365,8 @@ static int atusb_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
 
 static int atusb_ed(struct ieee802154_hw *hw, u8 *level)
 {
-	/* @@@ not used by the stack yet */
-	*level = 0;
+	BUG_ON(!level);
+	*level = 0xbe;
 	return 0;
 }