diff --git a/websocket-sharp/Net/HttpListenerPrefix.cs b/websocket-sharp/Net/HttpListenerPrefix.cs
index 3b1ee763..ffe07c17 100644
--- a/websocket-sharp/Net/HttpListenerPrefix.cs
+++ b/websocket-sharp/Net/HttpListenerPrefix.cs
@@ -239,6 +239,7 @@ namespace WebSocketSharp.Net
     public override bool Equals (Object obj)
     {
       var pref = obj as HttpListenerPrefix;
+
       return pref != null && pref._prefix == _prefix;
     }