diff --git a/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf b/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf
index 5ebed4f71..2bdf9cca1 100644
--- a/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf
+++ b/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf
@@ -6,6 +6,7 @@ map $host $upstream_acme_challenge_host {
     staging.c3cat.de 172.31.17.151:31820;
     c3dog.de 172.31.17.151:31820;
     www.c3dog.de 172.31.17.151:31820;
+    staging.c3dog.de 172.31.17.151:31820;
     ccchoir.de ccchoir.hosts.hamburg.ccc.de:31820;
     www.ccchoir.de ccchoir.hosts.hamburg.ccc.de:31820;
     cloud.hamburg.ccc.de cloud.hosts.hamburg.ccc.de:31820;
diff --git a/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf b/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
index 8b90d3fb6..a7abf0303 100644
--- a/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
+++ b/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
@@ -51,6 +51,7 @@ stream {
         staging.c3cat.de 172.31.17.151:8443;
         c3dog.de 172.31.17.151:8443;
         www.c3dog.de 172.31.17.151:8443;
+        staging.c3dog.de 172.31.17.151:8443;
         git.hamburg.ccc.de 172.31.17.154:8443;
         eh03.easterhegg.eu 172.31.17.151:8443;
         eh05.easterhegg.eu 172.31.17.151:8443;