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);
+          }
+
         },
 
         /**