diff --git a/designer-base/src/main/java/com/fr/design/cell/CellStylePreviewPane.java b/designer-base/src/main/java/com/fr/design/cell/CellStylePreviewPane.java
index c317d0e5a..355dca62d 100644
--- a/designer-base/src/main/java/com/fr/design/cell/CellStylePreviewPane.java
+++ b/designer-base/src/main/java/com/fr/design/cell/CellStylePreviewPane.java
@@ -43,6 +43,7 @@ public class CellStylePreviewPane extends JPanel {
     @Override
     public void paint(Graphics g) {
         Graphics2D g2d = (Graphics2D) g;
+        g.clearRect(0, 0, getWidth(), getHeight());
 
         paintTransparentBackground(g2d, style);