diff --git a/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/acme_challenge.conf b/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/acme_challenge.conf
index edc1d6e..32d7337 100644
--- a/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/acme_challenge.conf
+++ b/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/acme_challenge.conf
@@ -8,7 +8,7 @@ map $host $upstream_acme_challenge_host {
     element.hamburg.ccc.de 172.31.17.151:31820;
     git.hamburg.ccc.de 172.31.17.154:31820;
     grafana.hamburg.ccc.de 172.31.17.145:31820;
-    hackertours.hamburg.ccc.de 172.31.17.148:31820;
+    hackertours.hamburg.ccc.de 172.31.17.151:31820;
     hamburg.ccc.de 172.31.17.151:31820;
     id.hamburg.ccc.de 172.31.17.144:31820;
     invite.hamburg.ccc.de 172.31.17.144:31820;
diff --git a/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/nginx.conf b/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/nginx.conf
index 72f475c..2a83e4a 100644
--- a/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/nginx.conf
+++ b/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/nginx.conf
@@ -30,7 +30,7 @@ stream {
         wiki.ccchh.net 172.31.17.146:8443;
         wiki.hamburg.ccc.de 172.31.17.146:8443;
         onlyoffice.hamburg.ccc.de 172.31.17.147:8443;
-        hackertours.hamburg.ccc.de 172.31.17.148:8443;
+        hackertours.hamburg.ccc.de 172.31.17.151:8443;
         netbox.hamburg.ccc.de 172.31.17.149:8443;
         matrix.hamburg.ccc.de 172.31.17.150:8443;
         element.hamburg.ccc.de 172.31.17.151:8443;