diff --git a/tradein-mvp/backend/app/services/exporters/trade_in_pdf.py b/tradein-mvp/backend/app/services/exporters/trade_in_pdf.py
index 0ad4e170..2b8f6c30 100644
--- a/tradein-mvp/backend/app/services/exporters/trade_in_pdf.py
+++ b/tradein-mvp/backend/app/services/exporters/trade_in_pdf.py
@@ -449,7 +449,12 @@ def _dual_price_block(estimate: AggregatedEstimate, brand) -> str:  # type: igno
 
 def _build_cover(estimate: AggregatedEstimate, input_snapshot: dict, brand) -> str:  # type: ignore[no-untyped-def,type-arg]
     today = dt.date.today()
-    expires = today + dt.timedelta(days=30)
+    # Используем реальное поле expires_at из оценки; fallback на +30 дней если None.
+    expires = (
+        estimate.expires_at.date()
+        if estimate.expires_at is not None
+        else today + dt.timedelta(days=30)
+    )
     report_num = _report_number(estimate.estimate_id)
 
     # Короткий адрес (для cover): берём первую часть до запятой