diff --git a/resources/chaosknoten/grafana/nginx/metrics.hamburg.ccc.de.conf b/resources/chaosknoten/grafana/nginx/metrics.hamburg.ccc.de.conf
index 195b99dc2..5f4fbd63d 100644
--- a/resources/chaosknoten/grafana/nginx/metrics.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/grafana/nginx/metrics.hamburg.ccc.de.conf
@@ -11,7 +11,7 @@ server {
     # Z9
     allow 2a07:c481:1::/48;
     # fuxnoc
-    allow 2a07:c481:0:1::/64;
+    allow 2a07:c481::/36;
     deny all;
 
     server_name metrics.hamburg.ccc.de;