diff --git a/core/touch_gesture.js b/core/touch_gesture.js
index 71634324b..815da7c63 100644
--- a/core/touch_gesture.js
+++ b/core/touch_gesture.js
@@ -323,8 +323,8 @@ TouchGesture.prototype.getTouchPoint = function(e) {
     return null;
   }
   return new Coordinate(
-      (e.pageX ? e.pageX : e.changedTouches[0].pageX),
-      (e.pageY ? e.pageY : e.changedTouches[0].pageY));
+      (e.changedTouches ? e.changedTouches[0].pageX : e.pageX),
+      (e.changedTouches ? e.changedTouches[0].pageY : e.pageY));
 };
 
 exports.TouchGesture = TouchGesture;