diff --git a/Caddyfile b/Caddyfile
index fd2da14..06b82b6 100644
--- a/Caddyfile
+++ b/Caddyfile
@@ -74,7 +74,7 @@
         root * /srv/frenchkis.de
         file_server
     }
-    @frollain_de host frollain.de
+    @frollain_de host frollain.de frollain.flexsiebels.de
     handle @frollain_de {
         root * /srv/frollain.de
         file_server
diff --git a/sites/frollain.de/site.yaml b/sites/frollain.de/site.yaml
index bb3aeb6..3db8a19 100644
--- a/sites/frollain.de/site.yaml
+++ b/sites/frollain.de/site.yaml
@@ -1,4 +1,6 @@
 domain: frollain.de
+aliases:
+  - frollain.flexsiebels.de
 template: custom
 title: "FrollAIn — Ihr KI-Sekretariat"
 description: "FrollAIn. Immer lächelnd. Nie krank. Beschwert sich nicht."