diff --git a/example/simple/index.html b/example/simple/index.html
index 5a9ecd3..535fb7b 100644
--- a/example/simple/index.html
+++ b/example/simple/index.html
@@ -45,7 +45,7 @@
                 initScale = el.scaleX;
             },
             pinch: function (evt) {
-                el.scaleX = el.scaleY = initScale * evt.scale;
+                el.scaleX = el.scaleY = initScale * evt.zoom;
             },
             pressMove: function (evt) {
                 el.translateX += evt.deltaX;
@@ -69,4 +69,4 @@
 
     </script>
 </body>
-</html>
\ No newline at end of file
+</html>