diff --git a/src/blenderbim/blenderbim/bim/module/model/opening.py b/src/blenderbim/blenderbim/bim/module/model/opening.py
index 6b22dd0a83..5e7579ce86 100644
--- a/src/blenderbim/blenderbim/bim/module/model/opening.py
+++ b/src/blenderbim/blenderbim/bim/module/model/opening.py
@@ -769,6 +769,7 @@ class EditOpenings(Operator, tool.Ifc.Operator):
             for opening in openings:
                 similar_openings = [o for o in all_openings if o.ObjectPlacement == opening.ObjectPlacement]
                 opening_obj = tool.Ifc.get_object(opening)
+                building_objs.add(obj)
                 if opening_obj:
                     if tool.Ifc.is_edited(opening_obj):
                         tool.Geometry.run_geometry_update_representation(obj=opening_obj)
@@ -776,9 +777,12 @@ class EditOpenings(Operator, tool.Ifc.Operator):
                         blenderbim.core.geometry.edit_object_placement(
                             tool.Ifc, tool.Geometry, tool.Surveyor, obj=opening_obj
                         )
-                        for similar_opening in similar_openings:
-                            similar_opening.ObjectPlacement = opening.ObjectPlacement
-                    building_objs.add(obj)
+                    for similar_opening in similar_openings:
+                        similar_opening.ObjectPlacement = opening.ObjectPlacement
+                        element = similar_opening.VoidsElements[0].RelatingBuildingElement
+                        obj = tool.Ifc.get_object(element)
+                        building_objs.add(obj)
+                    
                     building_objs.update(self.get_all_building_objects_of_similar_openings(opening))
                     tool.Ifc.unlink(element=opening, obj=opening_obj)
                     bpy.data.objects.remove(opening_obj)