From cb004bf07eefd50c3f19364355c5421d2b85551f Mon Sep 17 00:00:00 2001
From: Fabian Irsara <info@fabianirsara.com>
Date: Tue, 1 Dec 2015 22:41:54 +0100
Subject: [PATCH] fix error when removing event

---
 src/dat/gui/GUI.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/dat/gui/GUI.js b/src/dat/gui/GUI.js
index 024eaa0..3b8b199 100644
--- a/src/dat/gui/GUI.js
+++ b/src/dat/gui/GUI.js
@@ -563,9 +563,12 @@ define([
           }
 
           dom.unbind(window, 'keydown', _keydownHandler, false);
-          dom.unbind(window, 'unload', saveToLocalStorage);
           dom.unbind(window, 'resize', _resizeHandler);
 
+          if (saveToLocalStorage) {
+            dom.unbind(window, 'unload', saveToLocalStorage);
+          }
+
         },
 
         /**