diff --git a/backend/app/services/scrapers/gisogd66.py b/backend/app/services/scrapers/gisogd66.py
index fa2f86b1..459a7362 100644
--- a/backend/app/services/scrapers/gisogd66.py
+++ b/backend/app/services/scrapers/gisogd66.py
@@ -277,8 +277,12 @@ def _upsert_permit(db: Session, rec: dict[str, Any]) -> str:
                 :doc_group, :doc_num, :doc_name, :date_doc, :date_reg,
                 :approved_org, :source_schema, :source_key,
                 CAST(:cad_nums AS text[]),
-                CASE WHEN :geojson IS NULL THEN NULL
-                     ELSE ST_Multi(ST_SetSRID(ST_GeomFromGeoJSON(:geojson), 4326)) END,
+                -- CAST обязателен: без него ни одно вхождение :geojson не даёт Postgres
+                -- тип параметра (ST_GeomFromGeoJSON перегружена text/json/jsonb) →
+                -- psycopg.errors.AmbiguousParameter на КАЖДОЙ строке (прод-прогон #2367).
+                CASE WHEN CAST(:geojson AS text) IS NULL THEN NULL
+                     ELSE ST_Multi(ST_SetSRID(
+                         ST_GeomFromGeoJSON(CAST(:geojson AS text)), 4326)) END,
                 NOW(), NOW()
             )
             ON CONFLICT (doc_group, doc_num) DO UPDATE