diff --git a/src/Server/WebSocketServer.php b/src/Server/WebSocketServer.php
index b392112..d65285a 100644
--- a/src/Server/WebSocketServer.php
+++ b/src/Server/WebSocketServer.php
@@ -87,7 +87,7 @@ class WebSocketServer
 
         $app = new OriginCheck($router, config('websockets.allowedOrigins', []));
 
-        $httpServer = new HttpServer($app, config('websockets.maxRequestSize'));
+        $httpServer = new HttpServer($app, config('websockets.maxRequestSizeInKb') * 1024);
 
         if (HttpLogger::isEnabled()) {
             $httpServer = HttpLogger::decorate($httpServer);