diff --git a/websocket-sharp/Ext.cs b/websocket-sharp/Ext.cs
index ac7c4fc6..1a13a934 100644
--- a/websocket-sharp/Ext.cs
+++ b/websocket-sharp/Ext.cs
@@ -556,10 +556,10 @@ namespace WebSocketSharp
 
     internal static bool IsReserved (this CloseStatusCode code)
     {
-      return code == CloseStatusCode.Undefined ||
-             code == CloseStatusCode.NoStatus ||
-             code == CloseStatusCode.Abnormal ||
-             code == CloseStatusCode.TlsHandshakeFailure;
+      return code == CloseStatusCode.Undefined
+             || code == CloseStatusCode.NoStatus
+             || code == CloseStatusCode.Abnormal
+             || code == CloseStatusCode.TlsHandshakeFailure;
     }
 
     internal static bool IsSupported (this byte opcode)