diff --git a/inxi b/inxi
index df64bb8..777e9fe 100755
--- a/inxi
+++ b/inxi
@@ -3049,7 +3049,7 @@ get_network_advanced_data()
 				working_path=$working_path/net/$card_port
 			# 2.6.32 debian lenny kernel shows not: /net/eth0 but /net:eth0
 			else
-				card_port=$( ls $working_path | grep 'net:' )
+				card_port=$( ls $working_path 2>/dev/null | grep 'net:' )
 				eth_id=$( cut -d ':' -f 2 <<< "$card_port" )
 				working_path=$working_path/$card_port
 			fi