diff --git a/src/bonsai/bonsai/tool/geometry.py b/src/bonsai/bonsai/tool/geometry.py
index fcec96a1c8..80365c1b8b 100644
--- a/src/bonsai/bonsai/tool/geometry.py
+++ b/src/bonsai/bonsai/tool/geometry.py
@@ -2179,7 +2179,7 @@ class Geometry(bonsai.core.tool.Geometry):
         item = tool.Ifc.get().by_id(props.ifc_definition_id)
         allowed_attributes = [
             a.name()
-            for a in item.declaration().as_entity.all_attributes()
+            for a in item.declaration.as_entity().all_attributes()
             if a.type_of_attribute()._is("IfcLengthMeasure")
         ]