diff --git a/src/v2/guide/transitioning-state.md b/src/v2/guide/transitioning-state.md
index b78e8237c..7d00c82ec 100644
--- a/src/v2/guide/transitioning-state.md
+++ b/src/v2/guide/transitioning-state.md
@@ -445,8 +445,8 @@ Vue.component('animated-integer', {
       
       new TWEEN.Tween({ tweeningValue: startValue })
         .to({ tweeningValue: endValue }, 500)
-        .onUpdate(function () {
-          vm.tweeningValue = this.tweeningValue.toFixed(0)
+        .onUpdate(function (object) {
+          vm.tweeningValue = object.tweeningValue.toFixed(0)
         })
         .start()