diff --git a/machines/renge/services/gitea.nix b/machines/renge/services/gitea.nix
index e3a8978..3a9ea93 100644
--- a/machines/renge/services/gitea.nix
+++ b/machines/renge/services/gitea.nix
@@ -45,6 +45,7 @@ in
         SSH_SERVER_HOST_KEYS = "ssh/gitea.ed25519,ssh/gitea.rsa";
       };
       service = {
+        DEFAULT_ALLOW_CREATE_ORGANIZATION = false;
         DEFAULT_KEEP_EMAIL_PRIVATE = true;
         ENABLE_NOTIFY_MAIL = true;
         NO_REPLY_ADDRESS = "users.git.sbruder.de";