diff --git a/app_new/core/services/room_planning.py b/app_new/core/services/room_planning.py
index 956f443..a65b9f9 100644
--- a/app_new/core/services/room_planning.py
+++ b/app_new/core/services/room_planning.py
@@ -92,7 +92,9 @@ def sync_pronote_schedules(room_id, entries, *, synced_at=None):
         if not external_id:
             continue
         seen.add(external_id)
-        row = RoomSchedule.query.filter_by(source="pronote", external_id=external_id).first()
+        row = RoomSchedule.query.filter_by(
+            room_id=room_id, source="pronote", external_id=external_id
+        ).first()
         if not row:
             row = RoomSchedule(room_id=room_id, source="pronote", external_id=external_id)
             db.session.add(row)
diff --git a/app_new/planning/schedules.py b/app_new/planning/schedules.py
index d120471..e1dacc2 100644
--- a/app_new/planning/schedules.py
+++ b/app_new/planning/schedules.py
@@ -42,7 +42,8 @@ def room_schedule_new():
         except (KeyError, TypeError, ValueError):
             flash('Salle, date et horaires sont obligatoires.', 'danger')
             return render_template('planning/room_schedule_form.html', rooms=rooms, schedule=None), 400
-        if start_time >= end_time or not Room.query.get(room_id):
+        if (start_time >= end_time or not Room.query.get(room_id)
+                or day_of_week < 0 or day_of_week > 6):
             flash('Vérifiez la salle et l’ordre des horaires.', 'danger')
             return render_template('planning/room_schedule_form.html', rooms=rooms, schedule=None), 400
         schedule = RoomSchedule(