1 files changed, 2 insertions, 2 deletions

diff --git a/js/helper-classes/3D/draw-utils.js b/js/helper-classes/3D/draw-utils.js
index 1c00f7ea..d6334e6c 100755
--- a/js/helper-classes/3D/draw-utils.js
+++ b/js/helper-classes/3D/draw-utils.js
@@ -139,8 +139,8 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
     handleCloseDocument:{
         value: function() {
             if(this.application.ninja.documentController._documents.length === 0){
-                this._eltArray = null;
-                this._planesArray = null;
+                this._eltArray.length = 0;
+                this._planesArray.length = 0;
             }
         }
     },