diff --git a/websocket-sharp/Server/WebSocketBehavior.cs b/websocket-sharp/Server/WebSocketBehavior.cs
index c3488d72..1a64f45a 100644
--- a/websocket-sharp/Server/WebSocketBehavior.cs
+++ b/websocket-sharp/Server/WebSocketBehavior.cs
@@ -427,6 +427,7 @@ namespace WebSocketSharp.Server
         return;
 
       _sessions.Remove (_id);
+
       OnClose (e);
     }