diff --git a/example/vectorsearch-cities/__main__.py b/example/vectorsearch-cities/__main__.py
index b9d86d0..65d1962 100644
--- a/example/vectorsearch-cities/__main__.py
+++ b/example/vectorsearch-cities/__main__.py
@@ -24,7 +24,7 @@ def __init__(self, *args):
         dbdir = "cities-db"
         new_db = not os.path.exists(dbdir)
         self._store = objectbox.Store(model=get_objectbox_model(),directory=dbdir)
-        self._box = _store.box(City)
+        self._box = self._store.box(City)
         self._name_prop: Property = City.get_property("name")
         self._location_prop: Property = City.get_property("location")
         if new_db: