diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 96397a4fdf87..22f483fee5f8 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1592,7 +1592,8 @@ static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
 	unsigned int pval, pval_old;
 	int err;
 
-	pval = pval_old = kcontrol->private_value;
+	pval = kcontrol->private_value;
+	pval_old = pval;
 	pval &= 0xfffff0f0;
 	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
 	pval |= (ucontrol->value.iec958.status[0] & 0x0f);