diff --git a/host_vars/web01.l3d.space/vars.yml b/host_vars/web01.l3d.space/vars.yml
index 0c93762..0791512 100644
--- a/host_vars/web01.l3d.space/vars.yml
+++ b/host_vars/web01.l3d.space/vars.yml
@@ -129,7 +129,6 @@ nginx_sites:
   - name: 'www.c3doc.de'
   - name: 'wtf-kooperative.de'
   - name: 'www.wtf-kooperative.de'
-  - name: 'cyber.yt'
   - name: 'preview.wtf-kooperative.de'
     webroot:
       user: 'wtfpreview'
diff --git a/templates/files/nginx/sites/preview.c3woc.de_tls.conf b/templates/files/nginx/sites/preview.c3woc.de_tls.conf
index cb140d5..3507282 100644
--- a/templates/files/nginx/sites/preview.c3woc.de_tls.conf
+++ b/templates/files/nginx/sites/preview.c3woc.de_tls.conf
@@ -2,7 +2,7 @@ server {
         listen 443 ssl http2;
         listen [::]:443 ssl http2;
 
-        server_name c3woc.de;
+        server_name preview.c3woc.de;
 
         include snippets/tls_parameters_{{ site.name }}.snippet.conf;
         include snippets/tls_certificate_{{ site.name }}.snippet.conf;