diff --git a/src/bonsai/bonsai/core/root.py b/src/bonsai/bonsai/core/root.py
index 4fc6806194..f124951d53 100644
--- a/src/bonsai/bonsai/core/root.py
+++ b/src/bonsai/bonsai/core/root.py
@@ -50,6 +50,7 @@ def copy_class(
             geometry.change_object_data(obj, data, is_global=True)
             geometry.rename_object(data, geometry.get_representation_name(new_representation))
             geometry.link(new_representation, data)
+            geometry.reload_representation_item_ids(new_representation, data)
         root.assign_body_styles(new, obj)
     collector.assign(obj)
     if root.is_element_a(new, "IfcOpeningElement"):
diff --git a/src/bonsai/bonsai/core/tool.py b/src/bonsai/bonsai/core/tool.py
index 4b3f3f7fe7..d984c65dd6 100644
--- a/src/bonsai/bonsai/core/tool.py
+++ b/src/bonsai/bonsai/core/tool.py
@@ -391,6 +391,8 @@ class Geometry:
     def does_representation_id_exist(cls, representation_id): pass
     def duplicate_object_data(cls, obj): pass
     def get_cartesian_point_offset(cls, obj): pass
+    def delete_opening_object_placement(cls, opening): pass
+    def get_blender_offset_type(cls, obj): pass
     def get_element_type(cls, element): pass
     def get_elements_of_type(cls, type): pass
     def get_ifc_representation_class(cls, element, representation): pass
@@ -403,6 +405,7 @@ class Geometry:
     def get_styles(cls, obj): pass
     def get_total_representation_items(cls, obj): pass
     def has_data_users(cls, data): pass
+    def has_material_style_override(cls, obj): pass
     def import_representation(cls, obj, representation, apply_openings=True): pass
     def import_representation_parameters(cls, data): pass
     def is_body_representation(cls, representation): pass
@@ -414,9 +417,10 @@ class Geometry:
     def link(cls, element, obj): pass
     def record_object_materials(cls, obj): pass
     def record_object_position(cls, obj): pass
+    def recreate_object_with_data(cls, obj, data): pass
+    def reload_representation_item_ids(cls, representation, data) -> None: pass
     def remove_connection(cls, connection): pass
     def rename_object(cls, obj, name): pass
-    def recreate_object_with_data(cls, obj, data): pass
     def replace_object_data_globally(cls, old_data, new_data): pass
     def resolve_mapped_representation(cls, representation): pass
     def run_geometry_update_representation(cls, obj=None): pass
@@ -425,13 +429,10 @@ class Geometry:
     def should_force_faceted_brep(cls): pass
     def should_force_triangulation(cls): pass
     def should_generate_uvs(cls, obj): pass
-    def should_use_presentation_style_assignment(cls): pass
-    def unresolve_type_representation(cls, representation, element): pass
-    def delete_opening_object_placement(cls, opening): pass
-    def switch_from_representation(cls, obj, representation): pass
-    def get_blender_offset_type(cls, obj): pass
-    def has_material_style_override(cls, obj): pass
     def should_use_immediate_representation(cls, entity, apply_openings): pass
+    def should_use_presentation_style_assignment(cls): pass
+    def switch_from_representation(cls, obj, representation): pass
+    def unresolve_type_representation(cls, representation, element): pass
 
 
 @interface
diff --git a/src/bonsai/bonsai/tool/geometry.py b/src/bonsai/bonsai/tool/geometry.py
index 3630895c43..415eb920dd 100644
--- a/src/bonsai/bonsai/tool/geometry.py
+++ b/src/bonsai/bonsai/tool/geometry.py
@@ -1585,3 +1585,7 @@ class Geometry(bonsai.core.tool.Geometry):
             bpy.data.objects.remove(obj)
 
         return results
+
+    @classmethod
+    def reload_representation_item_ids(cls, representation: ifcopenshell.entity_instance, data: bpy.types.Mesh) -> None:
+        data["ios_item_ids"] = [i["item"].id() for i in ifcopenshell.util.representation.resolve_items(representation)]