diff --git a/sound/firewire/bebob/bebob_maudio.c b/sound/firewire/bebob/bebob_maudio.c
index d6d6ff8cb8dd..70faa3a32526 100644
--- a/sound/firewire/bebob/bebob_maudio.c
+++ b/sound/firewire/bebob/bebob_maudio.c
@@ -381,7 +381,7 @@ static int special_clk_ctl_put(struct snd_kcontrol *kctl,
 
 	id = uval->value.enumerated.item[0];
 	if (id >= ARRAY_SIZE(special_clk_labels))
-		return 0;
+		return -EINVAL;
 
 	mutex_lock(&bebob->mutex);