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 c1a324d..85fb730 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
@@ -1,6 +1,6 @@
 map $host $upstream_acme_challenge_host {
-    cloud.hamburg.ccc.de cloud-intern.hamburg.ccc.de:31820;
-    pad.hamburg.ccc.de pad-intern.hamburg.ccc.de:31820;
+    cloud.hamburg.ccc.de 172.31.17.143:31820;
+    pad.hamburg.ccc.de 172.31.17.141:31820;
     id.hamburg.ccc.de 172.31.17.144:31820;
     keycloak-admin.hamburg.ccc.de 172.31.17.144:31820;
     aes.ccchh.net 172.31.17.145:31820;