diff --git a/freecad/kiconnect/board.py b/freecad/kiconnect/board.py
index 6250519..04d3b58 100644
--- a/freecad/kiconnect/board.py
+++ b/freecad/kiconnect/board.py
@@ -52,8 +52,11 @@ class BoardObject(BaseObject):
 
     def create_substrate_body(self):
         substrate_body = App.ActiveDocument.addObject('PartDesign::Body', 'Substrate')
-        self.feature.addObject(substrate_body)
 
+        substrate_body.addProperty('App::PropertyString', 'Type', 'KiConnect', 'KiConnect specific Type', read_only=True, hidden=True)
+        substrate_body.Type = 'KiConnect::BoardBody'
+
+        self.feature.addObject(substrate_body)
 
     def create_substrate_sketch(self):
         substrate_sketch = App.ActiveDocument.addObject('Sketcher::SketchObject', 'Sketch')