diff --git a/html/StupidIAconnectFour.php b/html/StupidIAconnectFour.php
index 7f1af89..56477ae 100644
--- a/html/StupidIAconnectFour.php
+++ b/html/StupidIAconnectFour.php
@@ -3,6 +3,10 @@
 * stupid IA for battle ship
 * choose by random a free column
 */
+header('Access-Control-Allow-Origin: *');
+header('Access-Control-Allow-Methods: GET, POST'); 
+header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept');
+
 $in=file_get_contents('php://input');
 $params=json_decode($in, TRUE);
 $grid=$params['board'];