diff --git a/MUOR/MUOR/settings.py b/MUOR/MUOR/settings.py
index 9934b5516..9c25529c5 100644
--- a/MUOR/MUOR/settings.py
+++ b/MUOR/MUOR/settings.py
@@ -149,6 +149,6 @@ CELERY_TIMEZONE = "Europe/Warsaw"
 CELERY_BEAT_SCHEDULE = {
     'clear_sessions': {
         'task': 'clear_sessions',
-        'schedule': 60,
+        'schedule': 60.0,
     }
 }