diff -r fd26342cf23d -r 29c53842c02a minesweeper/src/main/java/org/apidesign/demo/minesweeper/MinesModel.java
--- a/minesweeper/src/main/java/org/apidesign/demo/minesweeper/MinesModel.java	Fri Jan 09 06:10:00 2015 +0100
+++ b/minesweeper/src/main/java/org/apidesign/demo/minesweeper/MinesModel.java	Sun Jun 28 06:27:44 2015 +0200
@@ -480,11 +480,9 @@
         return true;
     }
 
-    /**
-     * Called when page is ready
-     */
+    private static Mines ui;
     public static void main(String... args) throws Exception {
-        Mines m = new Mines();
-        m.applyBindings();
+        ui = new Mines();
+        ui.applyBindings();
     }
 }