diff --git a/tradein-mvp/backend/app/services/scrapers/cian_detail.py b/tradein-mvp/backend/app/services/scrapers/cian_detail.py
index fb7f824f..d931e9be 100644
--- a/tradein-mvp/backend/app/services/scrapers/cian_detail.py
+++ b/tradein-mvp/backend/app/services/scrapers/cian_detail.py
@@ -260,16 +260,19 @@ def save_detail_enrichment(db: Session, listing_id: int, enrichment: DetailEnric
         """),
         {"lid": listing_id},
     ).fetchone()
+    _snap_written = False
     if _snap_row is not None and _snap_row.price_rub is not None:
         try:
-            upsert_listing_snapshot(
-                db,
-                listing_id=listing_id,
-                price_rub=int(_snap_row.price_rub),
-                price_per_m2=int(_snap_row.price_per_m2) if _snap_row.price_per_m2 else None,
-                run_id=None,
-                status="active",
-            )
+            with db.begin_nested():
+                upsert_listing_snapshot(
+                    db,
+                    listing_id=listing_id,
+                    price_rub=int(_snap_row.price_rub),
+                    price_per_m2=int(_snap_row.price_per_m2) if _snap_row.price_per_m2 else None,
+                    run_id=None,
+                    status="active",
+                )
+            _snap_written = True
         except Exception as exc:
             logger.warning(
                 "save_detail_enrichment: snapshot write failed listing_id=%s: %s",
@@ -351,5 +354,5 @@ def save_detail_enrichment(db: Session, listing_id: int, enrichment: DetailEnric
         listing_id,
         len(enrichment.price_changes),
         bool(enrichment.agent_profile),
-        _snap_row is not None and _snap_row.price_rub is not None,
+        _snap_written,
     )