diff --git a/mptcp/files/etc/init.d/mptcp b/mptcp/files/etc/init.d/mptcp
index 21e20da41..a342dda7c 100755
--- a/mptcp/files/etc/init.d/mptcp
+++ b/mptcp/files/etc/init.d/mptcp
@@ -564,8 +564,8 @@ start_service() {
 		config_foreach interface_multipath_settings interface $intf
 		config_foreach add_route route
 		config_foreach add_route6 route6
+		[ -z "$intf" ] && set_multipath
 	fi
-	set_multipath
 	# If no master is defined, one interface is defined as master
 	if [ "$master" = "" ] && [ "$intf" = "" ]; then
 		intfmaster="$mptcpmintf"