diff --git a/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2 b/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
index c2108d8..f359f47 100644
--- a/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
@@ -3,7 +3,7 @@
 
 services:
   database:
-    image: docker.io/library/mariadb:11
+    image: docker.io/library/mariadb:12
     environment:
       - "MARIADB_DATABASE=wordpress"
       - "MARIADB_ROOT_PASSWORD={{ secret__mariadb_root_password }}"
diff --git a/resources/chaosknoten/spaceapiccc/nginx/spaceapiccc.hamburg.ccc.de.conf b/resources/chaosknoten/spaceapiccc/nginx/spaceapiccc.hamburg.ccc.de.conf
index 9b74c0c..84a4ca2 100644
--- a/resources/chaosknoten/spaceapiccc/nginx/spaceapiccc.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/spaceapiccc/nginx/spaceapiccc.hamburg.ccc.de.conf
@@ -12,7 +12,7 @@ server {
     # header.
     real_ip_header proxy_protocol;
 
-    server_name spaceapi.ccc.de;
+    server_name spaceapiccc.hamburg.ccc.de;
 
     ssl_certificate /etc/letsencrypt/live/spaceapiccc.hamburg.ccc.de/fullchain.pem;
     ssl_certificate_key /etc/letsencrypt/live/spaceapiccc.hamburg.ccc.de/privkey.pem;
@@ -58,7 +58,7 @@ server {
     ssl_certificate /etc/letsencrypt/live/spaceapi.ccc.de/fullchain.pem;
     ssl_certificate_key /etc/letsencrypt/live/spaceapi.ccc.de/privkey.pem;
     # verify chain of trust of OCSP response using Root CA and Intermediate certs
-    ssl_trusted_certificate /etc/letsencrypt/live/spaceapiccc.hamburg.ccc.de/chain.pem;
+    ssl_trusted_certificate /etc/letsencrypt/live/spaceapi.ccc.de/chain.pem;
 
     # HSTS (ngx_http_headers_module is required) (63072000 seconds)
     add_header Strict-Transport-Security "max-age=63072000" always;