diff --git a/src/Ratchet/Server/IoServer.php b/src/Ratchet/Server/IoServer.php
index 9faa295..594c435 100644
--- a/src/Ratchet/Server/IoServer.php
+++ b/src/Ratchet/Server/IoServer.php
@@ -87,6 +87,8 @@ class IoServer {
         } catch (\Exception $e) {
             $this->handleError($e, $conn);
         }
+
+        unset($conn->decor);
     }
 
     public function handleError(\Exception $e, $conn) {