diff --git a/geos-trame/src/geos/trame/app/deck/tree.py b/geos-trame/src/geos/trame/app/deck/tree.py
index b732ddea..ddaff8e0 100644
--- a/geos-trame/src/geos/trame/app/deck/tree.py
+++ b/geos-trame/src/geos/trame/app/deck/tree.py
@@ -118,7 +118,7 @@ def to_xml( obj: BaseModel ) -> str:
             attribute_name_generator=text.camel_case,
         )
 
-        config = SerializerConfig( indent="  ", xml_declaration=False )
+        config = SerializerConfig( indent="  ", xml_declaration=False, ignore_default_attributes=True )
         serializer = XmlSerializer( context=context, config=config )
 
         return format_xml( serializer.render( obj ) )