diff --git a/backend/api/public.py b/backend/api/public.py
index fe64890..eeb5cc8 100644
--- a/backend/api/public.py
+++ b/backend/api/public.py
@@ -53,12 +53,14 @@ async def get_rooms_forecast(
     row = result.fetchone()
     fallback_total_rooms = int(row.config_value) if row and row.config_value else 30
 
-    # Pre-fetch daily_occupancy available_rooms for the whole range (excludes overflow/maintenance)
+    # Pre-fetch available rooms per day excluding overflow (category_id='5') and maintenance rooms
     occ_result = await db.execute(
         text("""
-            SELECT date, available_rooms
-            FROM daily_occupancy
+            SELECT date, SUM(available - COALESCE(maintenance, 0)) AS available_rooms
+            FROM newbook_occupancy_report_data
             WHERE date >= :start_date AND date <= :end_date
+              AND category_id != '5'
+            GROUP BY date
         """),
         {"start_date": start, "end_date": end}
     )