From 1f8eabf588ee0dacbc6d08d38b6b30ea85677664 Mon Sep 17 00:00:00 2001
From: Devine Lu Linvega <aliceffekt@gmail.com>
Date: Sun, 13 Jan 2019 10:07:39 +1200
Subject: [PATCH] Fixed little bug with UDP

---
 desktop/sources/scripts/listener.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/desktop/sources/scripts/listener.js b/desktop/sources/scripts/listener.js
index d68cc2f..6df0893 100644
--- a/desktop/sources/scripts/listener.js
+++ b/desktop/sources/scripts/listener.js
@@ -18,6 +18,7 @@ function Listener (dotgrid) {
   }
 
   function operate (data) {
+    if(!data){ return }
     if(!dotgrid.tool.layers[data.layer]){ return }
     dotgrid.tool.index = data.layer
     dotgrid.tool.addSegment(data.type, [data.from, data.to])