diff --git a/src/main/org/insa/graphics/MainWindow.java b/src/main/org/insa/graphics/MainWindow.java
index e345c45..ff41e02 100644
--- a/src/main/org/insa/graphics/MainWindow.java
+++ b/src/main/org/insa/graphics/MainWindow.java
@@ -71,7 +71,7 @@ public class MainWindow extends JFrame {
     /**
      * 
      */
-    private static final long serialVersionUID = -527660583705140687L;
+    private static final long serialVersionUID = 1L;
 
     /**
      *