diff --git a/source/app/main.py b/source/app/main.py
index 3063849..7398382 100644
--- a/source/app/main.py
+++ b/source/app/main.py
@@ -56,7 +56,7 @@ api.add_route('/movbanco', AppMovimientosBanco(db))
 
 session_options = {
     'session.type': 'file',
-    'session.cookie_expires': 3600,
+    'session.cookie_expires': True,
     'session.data_dir': '/tmp/cache/data',
     'session.lock_dir': '/tmp/cache/lock',
 }