diff --git a/cocos/ui/UISlider.cpp b/cocos/ui/UISlider.cpp
index 0547752e4e..a664425885 100644
--- a/cocos/ui/UISlider.cpp
+++ b/cocos/ui/UISlider.cpp
@@ -554,7 +554,7 @@ void Slider::progressBarRendererScaleChangedWithSize()
         if (_scale9Enabled)
         {
             _progressBarRenderer->setPreferredSize(_contentSize);
-            _progressBarTextureSize = _progressBarRenderer->getContentSize();
+            _progressBarRenderer->setScale(1.0);
         }
         else
         {