diff --git a/websocket-sharp/WebSocketFrame.cs b/websocket-sharp/WebSocketFrame.cs
index 827b8ae6..2d8b5953 100644
--- a/websocket-sharp/WebSocketFrame.cs
+++ b/websocket-sharp/WebSocketFrame.cs
@@ -131,17 +131,21 @@ namespace WebSocketSharp
 
     #endregion
 
-    #region Public Properties
+    #region Internal Properties
 
-    public byte[] ExtendedPayloadLength {
+    internal int ExtendedPayloadLengthCount {
       get {
-        return _extPayloadLength;
+        return _payloadLength < 126 ? 0 : (_payloadLength == 126 ? 2 : 8);
       }
     }
 
-    public int ExtendedPayloadLengthCount {
+    #endregion
+
+    #region Public Properties
+
+    public byte[] ExtendedPayloadLength {
       get {
-        return _payloadLength < 126 ? 0 : (_payloadLength == 126 ? 2 : 8);
+        return _extPayloadLength;
       }
     }