diff --git a/cmd/server/ws.go b/cmd/server/ws.go
index 91cc414..09d7e6d 100644
--- a/cmd/server/ws.go
+++ b/cmd/server/ws.go
@@ -29,10 +29,10 @@ func (s *S) serveWS(w http.ResponseWriter, r *http.Request) error {
 	}
 	defer c.CloseNow()
 	ws := WS{S: s, c: c}
-	return ws.serve(w, r)
+	return ws.Serve(w, r)
 }
 
-func (ws WS) serve(w http.ResponseWriter, r *http.Request) error {
+func (ws WS) Serve(w http.ResponseWriter, r *http.Request) error {
 	ctx, can := context.WithCancel(r.Context())
 	defer can()
 	r = r.WithContext(ctx)