diff --git a/hub/imports/geometry/citygml_classes/citygml_lod2.py b/hub/imports/geometry/citygml_classes/citygml_lod2.py
index 3705f99a..0fa4748a 100644
--- a/hub/imports/geometry/citygml_classes/citygml_lod2.py
+++ b/hub/imports/geometry/citygml_classes/citygml_lod2.py
@@ -49,6 +49,8 @@ class CityGmlLod2(CityGmlBase):
         surface_encoding, surface_subtype = cls._surface_encoding(bounded[surface_type])
       except NotImplementedError:
         continue
+      if 'surfaceMember' not in bounded[surface_type][surface_encoding][surface_subtype]:
+        continue
       for member in bounded[surface_type][surface_encoding][surface_subtype]['surfaceMember']:
         if 'CompositeSurface' in member:
           for composite_members in member['CompositeSurface']['surfaceMember']: