diff --git a/src/com/jpexs/decompiler/flash/gui/GenericTagTreePanel.java b/src/com/jpexs/decompiler/flash/gui/GenericTagTreePanel.java
index 33b81cd5f..6b1e93f6a 100644
--- a/src/com/jpexs/decompiler/flash/gui/GenericTagTreePanel.java
+++ b/src/com/jpexs/decompiler/flash/gui/GenericTagTreePanel.java
@@ -924,6 +924,9 @@ public class GenericTagTreePanel extends GenericTagPanel {
     }
 
     private TreeModel getModel() {
+        if (editedTag == null) {
+            return new DefaultTreeModel(new DefaultMutableTreeNode("root"));
+        }
         return new MyTreeModel(editedTag);
     }