diff --git a/test/brpc_alpn_protocol_unittest.cpp b/test/brpc_alpn_protocol_unittest.cpp
index 3040355a58..7970db9af1 100644
--- a/test/brpc_alpn_protocol_unittest.cpp
+++ b/test/brpc_alpn_protocol_unittest.cpp
@@ -21,11 +21,12 @@
 #include "gtest/gtest.h"
 #include "gflags/gflags.h"
 
-#include "echo.pb.h"
 #include "brpc/channel.h"
+#include "brpc/details/ssl_helper.h"
 #include "brpc/server.h"
-#include "butil/fd_guard.h"
 #include "butil/endpoint.h"
+#include "butil/fd_guard.h"
+#include "echo.pb.h"
 
 DEFINE_string(listen_addr, "0.0.0.0:8011", "Server listen address.");