diff --git a/src/com/jpexs/decompiler/flash/gui/MainPanel.java b/src/com/jpexs/decompiler/flash/gui/MainPanel.java
index 42fd9136c..dfaee53a5 100644
--- a/src/com/jpexs/decompiler/flash/gui/MainPanel.java
+++ b/src/com/jpexs/decompiler/flash/gui/MainPanel.java
@@ -3092,6 +3092,7 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
     }
 
     public void showPreview(TreeItem treeItem, PreviewPanel previewPanel) {
+        previewPanel.clear();
         if (treeItem == null) {
             previewPanel.showEmpty();
             return;