diff --git a/ext-src/swoole_http_response.cc b/ext-src/swoole_http_response.cc
index 676cc04203b..0928ed22fda 100644
--- a/ext-src/swoole_http_response.cc
+++ b/ext-src/swoole_http_response.cc
@@ -397,7 +397,7 @@ void HttpContext::build_header(String *http_buffer, const char *body, size_t len
         http_buffer->append(ZEND_STRL("HTTP/1.1 "));
         http_buffer->append(response.status);
         http_buffer->append(ZEND_STRL(" "));
-        http_buffer->append(ZEND_STRL(response.reason));
+        http_buffer->append(response.reason, strlen(response.reason));
         http_buffer->append(ZEND_STRL("\r\n"));
     }
 
diff --git a/tests/swoole_http_server/bug_5107.phpt b/tests/swoole_http_server/bug_5107.phpt
new file mode 100644
index 00000000000..5e071f96071
--- /dev/null
+++ b/tests/swoole_http_server/bug_5107.phpt
@@ -0,0 +1,48 @@
+--TEST--
+swoole_http_server: bug Github#5107  Error response status
+--SKIPIF--
+<?php require __DIR__ . '/../include/skipif.inc'; ?>
+--FILE--
+<?php
+require __DIR__ . '/../include/bootstrap.php';
+
+$pm = new ProcessManager;
+$pm->initRandomData(1);
+$pm->parentFunc = function () use ($pm) {
+    Co\run(function () use ($pm) {
+        $headers = httpGetHeaders("http://127.0.0.1:{$pm->getFreePort()}");
+        var_dump($headers);
+    });
+
+    $pm->kill();
+    echo "DONE\n";
+};
+
+$pm->childFunc = function () use ($pm) {
+    $http = new Swoole\Http\Server('127.0.0.1', $pm->getFreePort(), SWOOLE_BASE);
+    $http->on('workerStart', function () use ($pm) {
+        $pm->wakeup();
+    });
+    $http->on('request', function (Swoole\Http\Request $request, Swoole\Http\Response $response) use ($pm) {
+         $response->status(200, "status");
+         $response->end("Hello World");
+    });
+    $http->start();
+};
+$pm->childFirst();
+$pm->run();
+?>
+--EXPECTF--
+array(5) {
+  ["server"]=>
+  string(18) "swoole-http-server"
+  ["date"]=>
+  string(%d) %s
+  ["connection"]=>
+  string(10) "keep-alive"
+  ["content-type"]=>
+  string(9) "text/html"
+  ["content-length"]=>
+  string(2) "11"
+}
+DONE