diff --git a/websocket-sharp/Ext.cs b/websocket-sharp/Ext.cs
index b9dd7ff1..951e8497 100644
--- a/websocket-sharp/Ext.cs
+++ b/websocket-sharp/Ext.cs
@@ -462,7 +462,9 @@ namespace WebSocketSharp
       return bytes;
     }
 
-    internal static bool IsCompressionExtension (this string value, CompressionMethod method)
+    internal static bool IsCompressionExtension (
+      this string value, CompressionMethod method
+    )
     {
       return value.StartsWith (method.ToExtensionString ());
     }