diff --git a/backend/communications/tasks.py b/backend/communications/tasks.py
index b88fc6e7..9232804e 100644
--- a/backend/communications/tasks.py
+++ b/backend/communications/tasks.py
@@ -21,7 +21,7 @@ def cleanup_orphaned_attachments():
     
     orphaned = MessageAttachment.objects.filter(
         message__isnull=True,
-        created_at__lt=cutoff_time
+        uploaded_at__lt=cutoff_time
     )
     
     count = orphaned.count()
diff --git a/backend/eusrr_backend/settings.py b/backend/eusrr_backend/settings.py
index ad2f71f7..c5d8e0b2 100644
--- a/backend/eusrr_backend/settings.py
+++ b/backend/eusrr_backend/settings.py
@@ -1,4 +1,5 @@
 import os
+import tempfile
 from datetime import timedelta
 from pathlib import Path
 
@@ -522,6 +523,10 @@ CELERY_TASK_SOFT_TIME_LIMIT = 25 * 60  # Мягкий лимит - 25 минут
 # Настройки для периодических задач (Celery Beat)
 CELERY_BEAT_SCHEDULER = 'django_celery_beat.schedulers:DatabaseScheduler'
 
+# PID файлы для Celery (используем /tmp чтобы не требовать root прав)
+CELERY_BEAT_PIDFILE = os.path.join(tempfile.gettempdir(), 'celery-beat.pid')
+CELERYD_PIDFILE = os.path.join(tempfile.gettempdir(), 'celery-worker.pid')
+
 # Расписание периодических задач
 CELERY_BEAT_SCHEDULE = {
     'cleanup-orphaned-attachments': {