diff --git a/checks/rabbi-gerzi-domains.nix b/checks/rabbi-gerzi-domains.nix
index a421860..27c9e62 100644
--- a/checks/rabbi-gerzi-domains.nix
+++ b/checks/rabbi-gerzi-domains.nix
@@ -22,6 +22,10 @@ let
       assertion = frontendConfig.apiBaseUrl == "https://api.rabbigerzi.com";
       message = "Rabbi Gerzi frontend does not use the production API";
     }
+    {
+      assertion = frontendConfig.redirectHostNames == [ "www.rabbigerzi.com" ];
+      message = "Rabbi Gerzi frontend redirect hosts are not configured";
+    }
     {
       assertion = backendConfig.hostName == "api.rabbigerzi.com";
       message = "Rabbi Gerzi backend does not use the production API domain";