diff --git a/backend/app/services/scrapers/nspd_lite.py b/backend/app/services/scrapers/nspd_lite.py
index b8a8cafa..0015c34c 100644
--- a/backend/app/services/scrapers/nspd_lite.py
+++ b/backend/app/services/scrapers/nspd_lite.py
@@ -179,7 +179,10 @@ def fetch_via_rosreestr2coord(
         media_path="/tmp/rosreestr2coord",
     )
     try:
-        return a.to_geojson_poly()
+        # dumps=False — возвращает dict (GeoJSON Feature), а не JSON-сериализованную
+        # строку. Default в v5 = True → строка → крах в `_persist_target` который
+        # ожидает dict с `.get("properties")` etc.
+        return a.to_geojson_poly(dumps=False)
     except Exception as e:
         logger.warning("rosreestr2coord failed for %s: %s", cad_num, e)
         return None