diff --git a/StupidIAconnectFour.php b/StupidIAconnectFour.php
index d832cff..0f048f1 100644
--- a/StupidIAconnectFour.php
+++ b/StupidIAconnectFour.php
@@ -1,6 +1,7 @@
 <?php
 header('Access-Control-Allow-Origin: *');
 header('Access-Control-Allow-Methods: GET, POST'); 
+header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept');
 
 /*
 * stupid IA for battle ship
diff --git a/stupidIATictactoe.php b/stupidIATictactoe.php
index 3a07142..e0e82b5 100644
--- a/stupidIATictactoe.php
+++ b/stupidIATictactoe.php
@@ -1,6 +1,7 @@
 <?php
 header('Access-Control-Allow-Origin: *');
 header('Access-Control-Allow-Methods: GET, POST'); 
+header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept');
 
 $cases=array("0-0","0-1","0-2","1-0","1-1","1-2","2-0","2-1","2-2");
 //remplir l'array
diff --git a/tictactoe.php b/tictactoe.php
index de7626e..b2b4183 100644
--- a/tictactoe.php
+++ b/tictactoe.php
@@ -1,6 +1,7 @@
 <?php
 header('Access-Control-Allow-Origin: *');
 header('Access-Control-Allow-Methods: GET, POST'); 
+header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept');
 /*
 * Tic Tac Toe gnieark's IA V2
 * Gnieark 2016