diff --git a/nodes/htz-cloud/influxdb.py b/nodes/htz-cloud/influxdb.py
index 83fc7ac..af5af71 100644
--- a/nodes/htz-cloud/influxdb.py
+++ b/nodes/htz-cloud/influxdb.py
@@ -37,6 +37,7 @@ nodes['htz-cloud.influxdb'] = {
         },
         'grafana': {
             'domain': 'grafana.kunsmann.eu',
+            'login_max_duration': '30d',
         },
         'icinga_options': {
             'pretty_name': 'InfluxDB',