diff --git a/http.go b/http.go
index ad743d5..fb2d111 100644
--- a/http.go
+++ b/http.go
@@ -468,7 +468,7 @@ func (h *httpTransportListener) Accept(fn func(transport.Socket)) error {
 	}
 
 	// insecure connection use h2c
-	if !(h.ht.opts.Secure || h.ht.opts.TLSConfig != nil) {
+	if h.ht.opts.TLSConfig == nil {
 		srv.Handler = h2c.NewHandler(mux, &http2.Server{})
 	}