diff --git a/src/bonsai/bonsai/bim/import_ifc.py b/src/bonsai/bonsai/bim/import_ifc.py
index bb57ec47a5..4a0dcc4dfc 100644
--- a/src/bonsai/bonsai/bim/import_ifc.py
+++ b/src/bonsai/bonsai/bim/import_ifc.py
@@ -811,6 +811,8 @@ class IfcImporter:
 
         obj = bpy.data.objects.new(tool.Loader.get_name(element), mesh)
         self.link_element(element, obj)
+        if getattr(element, "HasOpenings", None):
+            tool.Geometry.lock_scale(obj)
 
         if shape:
             # We use numpy here because Blender mathutils.Matrix is not accurate enough
diff --git a/src/bonsai/bonsai/bim/module/void/operator.py b/src/bonsai/bonsai/bim/module/void/operator.py
index b9b3534104..498448562a 100644
--- a/src/bonsai/bonsai/bim/module/void/operator.py
+++ b/src/bonsai/bonsai/bim/module/void/operator.py
@@ -130,6 +130,7 @@ class AddOpening(bpy.types.Operator, tool.Ifc.Operator):
                         # therefore bim.update_representaiton wouldn't work either way.
                         should_sync_changes_first=False,
                     )
+                tool.Geometry.lock_scale(voided_obj)
 
             if not has_visible_openings:
                 tool.Ifc.unlink(element=element2)
@@ -173,6 +174,8 @@ class RemoveOpening(bpy.types.Operator, tool.Ifc.Operator):
                     is_global=True,
                     should_sync_changes_first=False,
                 )
+            if building_obj and not getattr(element, "HasOpenings", None):
+                tool.Geometry.unlock_scale(building_obj)
 
         tool.Geometry.clear_cache(element)
         return {"FINISHED"}
diff --git a/src/bonsai/bonsai/tool/geometry.py b/src/bonsai/bonsai/tool/geometry.py
index 0e40bf3238..aee9f154fd 100644
--- a/src/bonsai/bonsai/tool/geometry.py
+++ b/src/bonsai/bonsai/tool/geometry.py
@@ -136,6 +136,14 @@ class Geometry(bonsai.core.tool.Geometry):
         obj.lock_rotations_4d = False
         obj.lock_scale = (False, False, False)
 
+    @classmethod
+    def lock_scale(cls, obj: bpy.types.Object) -> None:
+        obj.lock_scale = (True, True, True)
+
+    @classmethod
+    def unlock_scale(cls, obj: bpy.types.Object) -> None:
+        obj.lock_scale = (False, False, False)
+
     @classmethod
     def delete_ifc_item(cls, obj: bpy.types.Object) -> None:
         props = bpy.context.scene.BIMGeometryProperties