diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index 71c58df4af28..70face7e1048 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -2198,7 +2198,8 @@ static int _snd_cmipci_uswitch_put(struct snd_kcontrol *kcontrol,
 		val = inb(cm->iobase + args->reg);
 	else
 		val = snd_cmipci_read(cm, args->reg);
-	change = (val & args->mask) != (ucontrol->value.integer.value[0] ? args->mask : 0);
+	change = (val & args->mask) != (ucontrol->value.integer.value[0] ? 
+			args->mask_on : (args->mask & ~args->mask_on));
 	if (change) {
 		val &= ~args->mask;
 		if (ucontrol->value.integer.value[0])