diff --git a/org/homelinux/largo/games/board/chessboard/ChessBoard.java b/org/homelinux/largo/games/board/chessboard/ChessBoard.java
--- a/org/homelinux/largo/games/board/chessboard/ChessBoard.java
+++ b/org/homelinux/largo/games/board/chessboard/ChessBoard.java
@@ -12,7 +12,7 @@
 import org.homelinux.largo.utils.ImgComponent;
 
 public class ChessBoard extends Board {
-    static final long serialVersionUID = 140208;
+    static final long serialVersionUID = 1L;
 
     static final int ROOK = 1;
     static final int KNIGHT = 2;