diff --git a/CHANGELOG.md b/CHANGELOG.md
index 959d889..102495d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 CHANGELOG
 =========
 
-###Legend
+### Legend
 
 * "BC": Backwards compatibility break (from public component APIs)
 * "BF": Bug fix
diff --git a/src/Ratchet/App.php b/src/Ratchet/App.php
index 6c084d9..465f270 100644
--- a/src/Ratchet/App.php
+++ b/src/Ratchet/App.php
@@ -65,10 +65,6 @@ class App {
             trigger_error('XDebug extension detected. Remember to disable this if performance testing or going live!', E_USER_WARNING);
         }
 
-        if (3 !== strlen('✓')) {
-            throw new \DomainException('Bad encoding, length of unicode character ✓ should be 3. Ensure charset UTF-8 and check ini val mbstring.func_autoload');
-        }
-
         if (null === $loop) {
             $loop = LoopFactory::create();
         }
diff --git a/src/Ratchet/WebSocket/WsServer.php b/src/Ratchet/WebSocket/WsServer.php
index 8ded680..88788b5 100644
--- a/src/Ratchet/WebSocket/WsServer.php
+++ b/src/Ratchet/WebSocket/WsServer.php
@@ -78,6 +78,10 @@ class WsServer implements HttpServerInterface {
             throw new \UnexpectedValueException('Expected instance of \Ratchet\WebSocket\MessageComponentInterface or \Ratchet\MessageComponentInterface');
         }
 
+        if (bin2hex('✓') === 'e29c93') {
+            throw new \DomainException('Bad encoding, length of unicode character ✓ should be 3. Ensure charset UTF-8 and check ini val mbstring.func_autoload');
+        }
+
         $this->delegate    = $component;
         $this->connections = new \SplObjectStorage;