if not hijacker then also treat as no dig

server.go

@@ -79,7 +79,8 @@ func (s *Server) Connect(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if host == r.Host {
+	hijacker, ok := w.(http.Hijacker)
+	if host == r.Host || !ok {
 		s.connectHTTPReverseProxy(w, r)
 		return
 	}
@@ -92,12 +93,6 @@ func (s *Server) Connect(w http.ResponseWriter, r *http.Request) {
 
 	w.WriteHeader(http.StatusOK)
 
-	hijacker, ok := w.(http.Hijacker)
-	if !ok {
-		s.Error(r, w, errors.New("hijack not available"))
-		return
-	}
-
 	client, _, err := hijacker.Hijack()
 	if err != nil {
 		s.Error(r, w, err)