diff --git a/webtentacle.lisp b/webtentacle.lisp
index 778d00e..61fecc7 100644
--- a/webtentacle.lisp
+++ b/webtentacle.lisp
@@ -101,7 +101,7 @@ This can be used if you don’t want to wrap your server with SERVER, and would
 rather handle the Webfinger path yourself."
   (list
    200
-   '(:content-type "text/plain")
+   '(:content-type "application/jrd+json; charset=utf-8")
    (list
     (format
      nil "~A"