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 acb8c66..d076f49 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
@@ -8,6 +8,7 @@ map $host $upstream_acme_challenge_host {
     onlyoffice.hamburg.ccc.de 172.31.17.147:31820;
     netbox.hamburg.ccc.de 172.31.17.149:31820;
     matrix.hamburg.ccc.de 172.31.17.150:31820;
+    element.hamburg.ccc.de 172.31.17.151:31820;
     default "";
 }
 
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 4b6a42b..6806eb0 100644
--- a/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/nginx.conf
+++ b/playbooks/files/chaosknoten/configs/public-reverse-proxy/nginx/nginx.conf
@@ -27,6 +27,7 @@ stream {
         onlyoffice.hamburg.ccc.de 172.31.17.147:8443;
         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;
     }
 
     server {