1 files changed, 1 insertions, 1 deletions

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 1deef623c081..21613fe0c1a2 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -2055,7 +2055,7 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
         }
 
         host_iface = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0];
-        mixer->protocol = host_iface->desc.bInterfaceProtocol;
+        mixer->protocol = get_iface_desc(host_iface)->bInterfaceProtocol;
 
         if ((err = snd_usb_mixer_controls(mixer)) < 0 ||
             (err = snd_usb_mixer_status_create(mixer)) < 0)