From b9a4bcc50d7da7b4ea24041dec69a9589e703a1c Mon Sep 17 00:00:00 2001
From: Josh Mars <josh@joshmars.net>
Date: Sat, 18 Mar 2017 09:57:12 -0400
Subject: [PATCH] Update init.lua

---
 mesecons_detector/init.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mesecons_detector/init.lua b/mesecons_detector/init.lua
index 9c7e74f..52ae421 100644
--- a/mesecons_detector/init.lua
+++ b/mesecons_detector/init.lua
@@ -136,6 +136,7 @@ minetest.register_abm({
 
 local function node_detector_make_formspec(pos)
 	local meta = minetest.get_meta(pos)
+	if meta:get_string("distance") == ""  then meta:set_string("distance", "0") end
 	meta:set_string("formspec", "size[9,2.5]" ..
 		"field[0.3,  0;9,2;scanname;Name of node to scan for (empty for any):;${scanname}]"..
 		"field[0.3,1.5;2,2;distance;Distance (0-10):;${distance}]"..