From 32a51720ebfef9a285a9df4c03a0cff08597821a Mon Sep 17 00:00:00 2001
From: Luis Leiva <lleiva@sciling.com>
Date: Sun, 26 May 2019 19:49:55 +0300
Subject: [PATCH] Re: 9432744

---
 sketchable.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sketchable.js b/sketchable.js
index 1f2a0f2..4ae8130 100644
--- a/sketchable.js
+++ b/sketchable.js
@@ -502,7 +502,7 @@
     // Don't handle right clicks.
     if (Event.isRightClick(e)) return false;
 
-    var idx   = Math.abs(e.identifier),
+    var idx   = Math.abs(e.identifier || 0),
       elem    = e.target,
       data    = dataBind(elem)[namespace],
       options = data.options;
@@ -543,7 +543,7 @@
    * @ignore
    */
   function moveHandler(e) {
-    var idx   = Math.abs(e.identifier),
+    var idx   = Math.abs(e.identifier || 0),
       elem    = e.target,
       data    = dataBind(elem)[namespace],
       options = data.options;
@@ -581,7 +581,7 @@
    * @ignore
    */
   function upHandler(e) {
-    var idx   = Math.abs(e.identifier),
+    var idx   = Math.abs(e.identifier || 0),
       elem    = e.target,
       data    = dataBind(elem)[namespace],
       options = data.options;