diff --git a/transport/vmess/http.go b/transport/vmess/http.go
index c77a7e9d..6da9759e 100644
--- a/transport/vmess/http.go
+++ b/transport/vmess/http.go
@@ -60,7 +60,7 @@ func (hc *httpConn) Write(b []byte) (int, error) {
 		host = header[fastrand.Intn(len(header))]
 	}
 
-	u := fmt.Sprintf("http://%s%s", host, path)
+	u := fmt.Sprintf("http://%s%s", net.JoinHostPort(host, "80"), path)
 	req, _ := http.NewRequest(utils.EmptyOr(hc.cfg.Method, http.MethodGet), u, bytes.NewBuffer(b))
 	for key, list := range hc.cfg.Headers {
 		req.Header.Set(key, list[fastrand.Intn(len(list))])