diff --git a/src/Ratchet/App.php b/src/Ratchet/App.php
index 484129a..4755560 100644
--- a/src/Ratchet/App.php
+++ b/src/Ratchet/App.php
@@ -62,7 +62,7 @@ class App {
      */
     public function __construct($httpHost = 'localhost', $port = 8080, $address = '127.0.0.1', LoopInterface $loop = null) {
         if (extension_loaded('xdebug')) {
-            echo("XDebug extension detected. Remember to disable this if performance testing or going live!" . PHP_EOL);
+            trigger_error('XDebug extension detected. Remember to disable this if performance testing or going live!', E_USER_WARNING);
         }
 
         if (3 !== strlen('✓')) {
@@ -102,7 +102,7 @@ class App {
           $flashSock->listen(843, '0.0.0.0');
         }else{
           fclose($test);
-          echo('flash socket server already running on 843' . PHP_EOL);
+          trigger_error('flash socket server already running on 843', E_USER_NOTICE);
         }
     }