diff --git a/paris-container.nix b/paris-container.nix
index c3a7028..c19ffdd 100644
--- a/paris-container.nix
+++ b/paris-container.nix
@@ -330,7 +330,7 @@ in {
             recommendedGzipSettings = true;
             recommendedOptimisation = true;
             virtualHosts."users.fudo.org" = {
-              serverAliases = "u.fudo.org";
+              serverAliases = [ "u.fudo.org" ];
               enableACME = true;
               forceSSL = true;
               locations = {