diff --git a/src/bonsai/bonsai/bim/import_ifc.py b/src/bonsai/bonsai/bim/import_ifc.py
index f2d8bce23b..90855053c8 100644
--- a/src/bonsai/bonsai/bim/import_ifc.py
+++ b/src/bonsai/bonsai/bim/import_ifc.py
@@ -1127,6 +1127,7 @@ class IfcImporter:
                 relating_obj = tool.Ifc.get_object(element)
                 if relating_obj:
                     tool.Aggregate.constrain_parts_to_aggregate(relating_obj)
+        bpy.context.scene.BIMAggregateProperties.aggregate_decorator = True
 
 
     def lock_scales(self) -> None: