diff --git a/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml b/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml
index f684385..5cc54e9 100644
--- a/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml
+++ b/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml
@@ -166,7 +166,7 @@ groups:
       # Longer intervals to account for disk intensive hypervisor tasks (backups, moving VMs, etc.).
       - alert: HypervisorHostUnusualDiskReadRate
         expr: (sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename="chaosknoten"}
-        for: 90m
+        for: 60m
         labels:
           severity: warning
         annotations:
@@ -174,7 +174,7 @@ groups:
           description: "Disk is probably reading too much data (> 50 MB/s)\n  VALUE = {{ $value }}"
       - alert: HypervisorHostUnusualDiskWriteRate
         expr: (sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename="chaosknoten"}
-        for: 90m
+        for: 60m
         labels:
           severity: warning
         annotations:
@@ -256,7 +256,7 @@ groups:
       # Since hard disks on the hypervisor can easily have their IO saturated by hypervisor tasks (backups, moving VMs, etc.), alert when the IO is above the regular threshold for a very long time.
       - alert: HypervisorHostUnusualHardDiskIo
         expr: (rate(node_disk_io_time_seconds_total{device=~"s.+"}[1m]) > 0.5) * on(instance) group_left (nodename) node_uname_info{nodename="chaosknoten"}
-        for: 90m
+        for: 50m
         labels:
           severity: warning
         annotations:
diff --git a/resources/chaosknoten/tickets/nginx/tickets.hamburg.ccc.de.conf b/resources/chaosknoten/tickets/nginx/tickets.hamburg.ccc.de.conf
index f8a802f..90be686 100644
--- a/resources/chaosknoten/tickets/nginx/tickets.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/tickets/nginx/tickets.hamburg.ccc.de.conf
@@ -38,7 +38,7 @@ server {
 
     location = / {
         #return 302 https://wiki.hamburg.ccc.de/infrastructure:service-overview#tickets_pretix;
-        return 302 https://tickets.hamburg.ccc.de/hackertours/eh22/;
+        return 302 https://tickets.hamburg.ccc.de/hackertours/38c3/;
     }
 
     location / {