diff --git a/ifup.sh b/ifup.sh
index 1a118bc..1ea12a0 100755
--- a/ifup.sh
+++ b/ifup.sh
@@ -97,7 +97,7 @@ recupParams(){
 					echo "Erreur: le paramètre \"#VLAN=votreVLAN\" est manquant."
 					exit 1
 				fi
-			elif [[ $(ls /run/network/ | sed -e "s/ifstate//g" -e "s/^.//" -e "/^$/d" -e "/^lo$/d" | grep "${val_param}" 2> /dev/null) ]]; then
+			elif [[ $(find /sys/class/net/ -type l ! -lname '*/devices/virtual/net/*' -printf '%f ' | grep "${val_param}" 2> /dev/null) ]]; then
 				pont_init=0
 				vlan_init=0
 				ieee8021q_init=0