diff --git a/src/wg-quick.bash b/src/wg-quick.bash
index af72f7d..e93fb80 100755
--- a/src/wg-quick.bash
+++ b/src/wg-quick.bash
@@ -136,16 +136,25 @@ set_mtu() {
 	cmd ip link set mtu $(( mtu - 80 )) dev "$INTERFACE"
 }
 
+resolvconf_iface_prefix() {
+	[[ -f /etc/resolvconf/interface-order ]] || return 0
+	local iface
+	while read -r iface; do
+		[[ $iface =~ ^([A-Za-z0-9-]+)\*$ ]] || continue
+		echo "${BASH_REMATCH[1]}." && return 0
+	done < /etc/resolvconf/interface-order
+}
+
 HAVE_SET_DNS=0
 set_dns() {
 	[[ ${#DNS[@]} -gt 0 ]] || return 0
-	printf 'nameserver %s\n' "${DNS[@]}" | cmd resolvconf -a "tun.$INTERFACE" -m 0 -x
+	printf 'nameserver %s\n' "${DNS[@]}" | cmd resolvconf -a "$(resolvconf_iface_prefix)$INTERFACE" -m 0 -x
 	HAVE_SET_DNS=1
 }
 
 unset_dns() {
 	[[ ${#DNS[@]} -gt 0 ]] || return 0
-	cmd resolvconf -d "tun.$INTERFACE"
+	cmd resolvconf -d "$(resolvconf_iface_prefix)$INTERFACE"
 }
 
 add_route() {
@@ -194,7 +203,7 @@ save_config() {
 	done
 	while read -r address; do
 		[[ $address =~ ^nameserver\ ([a-zA-Z0-9_=+:%.-]+)$ ]] && new_config+="DNS = ${BASH_REMATCH[1]}"$'\n'
-	done < <(resolvconf -l "tun.$INTERFACE" 2>/dev/null)
+	done < <(resolvconf -l "$(resolvconf_iface_prefix)$INTERFACE" 2>/dev/null)
 	[[ -n $MTU && $(ip link show dev "$INTERFACE") =~ mtu\ ([0-9]+) ]] && new_config+="MTU = ${BASH_REMATCH[1]}"$'\n'
 	[[ -n $TABLE ]] && new_config+="Table = $TABLE"$'\n'
 	[[ $SAVE_CONFIG -eq 0 ]] || new_config+=$'SaveConfig = true\n'