diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index b908d2564aee..3f6bfee29986 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -808,7 +808,7 @@ static int snd_dummy_capsrc_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el
 	left = ucontrol->value.integer.value[0] & 1;
 	right = ucontrol->value.integer.value[1] & 1;
 	guard(spinlock_irq)(&dummy->mixer_lock);
-	change = dummy->capture_source[addr][0] != left &&
+	change = dummy->capture_source[addr][0] != left ||
 	         dummy->capture_source[addr][1] != right;
 	dummy->capture_source[addr][0] = left;
 	dummy->capture_source[addr][1] = right;