diff --git a/backend/app/workers/tasks/nspd_geo.py b/backend/app/workers/tasks/nspd_geo.py
index 6220c3eb..4862e113 100644
--- a/backend/app/workers/tasks/nspd_geo.py
+++ b/backend/app/workers/tasks/nspd_geo.py
@@ -19,6 +19,7 @@ Resume:
 
 from __future__ import annotations
 
+import json
 import logging
 from typing import Any
 
@@ -145,8 +146,8 @@ def _save_quarter(db: Session, payload: dict, cad_num: str) -> int:
         ),
         {
             "cad": cad_num,
-            "g": str(geom_geojson).replace("'", '"'),
-            "props": str(f.get("properties", {})).replace("'", '"'),
+            "g": json.dumps(geom_geojson, ensure_ascii=False),
+            "props": json.dumps(f.get("properties") or {}, ensure_ascii=False),
         },
     )
     return 1