diff --git a/cmd/routed/server.go b/cmd/routed/server.go
index 3f6304f..2c9b72b 100644
--- a/cmd/routed/server.go
+++ b/cmd/routed/server.go
@@ -185,7 +185,7 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	rid := ulid.New().String()
 	r.Header.Set("X-Request-Id", rid)
 	w.Header().Set("X-Request-Id", rid)
-	w.Header().Add("Alt-Svc", fmt.Sprintf(`quic="%s"; ma=2592000; v="39"`, s.cfg.QuicAddr))
+	w.Header().Add("Alt-Svc", fmt.Sprintf(`hq="%s"; ma=2592000`, s.cfg.QuicAddr))
 
 	// http://www.gnuterrypratchett.com/
 	w.Header().Set("X-Clacks-Overhead", "GNU Ashlynn")