diff --git a/hosts/hainich/services/matrix-synapse.nix b/hosts/hainich/services/matrix-synapse.nix
index 49151da..1b60a54 100644
--- a/hosts/hainich/services/matrix-synapse.nix
+++ b/hosts/hainich/services/matrix-synapse.nix
@@ -65,12 +65,9 @@
 
 
       # the element web client for our matrix server.
-      "element.matrix.hacc.space" = {
+      "element.hacc.space" = {
         enableACME = true;
         forceSSL = true;
-        serverAliases = [
-          "element.hacc.space"
-        ];
         root = pkgs.element-web.override {
           conf = {
             # the base_url here must be identical to the one on hacc.space/.well-known above.