diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 10792d26fa94..74d26fd86efb 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -3496,7 +3496,7 @@ static int snd_rme_digiface_read_status(struct snd_kcontrol *kcontrol, u32 statu
 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 	struct snd_usb_audio *chip = list->mixer->chip;
 	struct usb_device *dev = chip->dev;
-	__le32 buf[4];
+	__le32 buf[4] = {};
 	int err;
 
 	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),