diff --git a/src/common.rs b/src/common.rs
index d891648f2..13a7f3eda 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -552,10 +552,14 @@ async fn test_nat_type_() -> ResultType<bool> {
     });
     let mut port1 = 0;
     let mut port2 = 0;
+    let mut local_addr = None;
     for i in 0..2 {
         let server = if i == 0 { &*server1 } else { &*server2 };
-        let mut socket = socket_client::connect_tcp(server, CONNECT_TIMEOUT).await?;
+        let mut socket =
+            socket_client::connect_tcp_local(server, local_addr, CONNECT_TIMEOUT).await?;
         if i == 0 {
+            // reuse the local addr is required for nat test
+            local_addr = Some(socket.local_addr());
             Config::set_option(
                 "local-ip-addr".to_owned(),
                 socket.local_addr().ip().to_string(),