diff --git a/postplug.d/35sound b/postplug.d/35sound
index f5bf9d4..967a45c 100644
--- a/postplug.d/35sound
+++ b/postplug.d/35sound
@@ -74,7 +74,7 @@ _EOF
 }
 
 if [ -e /proc/bus/pci ]; then
-   SOUND_DEV="`lspci -n | grep " 04[0-9][0-9]: "`"
+   SOUND_DEV="`lspci -n 2>/dev/null| grep " 04[0-9][0-9]: "`"
 fi
 if [ ! "$SOUND_DEV" ]; then
    if [ -e /proc/asound/cards ]; then