diff --git a/mptcp/files/etc/init.d/mptcp b/mptcp/files/etc/init.d/mptcp
index 334cc0632..604c54fe8 100755
--- a/mptcp/files/etc/init.d/mptcp
+++ b/mptcp/files/etc/init.d/mptcp
@@ -47,7 +47,7 @@ interface_macaddr_count() {
 	local intf="$1"
 	local dmacaddr="$2"
 	config_get macaddr "$intf" macaddr
-	[ "$macaddr" = "$dmacaddr" ] && nbmac=$((nbmac+1))
+	[ "$macaddr" = "$dmacaddr" ] && [ -z "$(echo $intf | grep '\.')" ] && nbmac=$((nbmac+1))
 }
 
 interface_max_metric() {