diff --git a/cocos2d/core/CCNode.js b/cocos2d/core/CCNode.js
index ba9fb7e5744..4f80edd30de 100644
--- a/cocos2d/core/CCNode.js
+++ b/cocos2d/core/CCNode.js
@@ -560,7 +560,7 @@ var Node = cc.Class({
             default: undefined,
             type: cc.Float
         },
-        _scale: cc.Vec3,
+        _scale: cc.v3(1, 1, 1),
         _rotationX: 0.0,
         _rotationY: 0.0,
         _quat: cc.Quat,
@@ -1150,11 +1150,6 @@ var Node = cc.Class({
         // Mouse event listener
         this._mouseListener = null;
 
-        // default scale
-        this._scale.x = 1;
-        this._scale.y = 1;
-        this._scale.z = 1;
-
         this._matrix = mathPools.mat4.get();
         this._worldMatrix = mathPools.mat4.get();
         this._localMatDirty = LocalDirtyFlag.ALL;