diff --git a/hosts/vm/vaultwarden/vaultwarden.nix b/hosts/vm/vaultwarden/vaultwarden.nix
index a8bf1fa..ba47a0e 100644
--- a/hosts/vm/vaultwarden/vaultwarden.nix
+++ b/hosts/vm/vaultwarden/vaultwarden.nix
@@ -15,6 +15,7 @@
     config = {
       ROCKET_PORT = 8222;
       SENDMAIL_COMMAND = "${config.security.wrapperDir}/sendmail";
+      SIGNUPS_DOMAINS_WHITELIST = "crans.org,ens-paris-saclay.fr";
     };
   };