diff --git a/src/arenas/Battleship/js.js b/src/arenas/Battleship/js.js
index e20c5ee..3eeee76 100644
--- a/src/arenas/Battleship/js.js
+++ b/src/arenas/Battleship/js.js
@@ -64,12 +64,11 @@ function battleship(bot1,bot2,gridWidth,gridHeight,nbShip1,nbShip2,nbShip3,nbShi
         //debug
 	//alert(xhr.responseText);
 	try{
-	  var grids = JSON.parse(this.responseText);
+	  var grids = JSON.parse(xhr.responseText);
 	    for( var player=1; player <= 2 ; player ++){
 	      for (var y=0; y < grids[player].count ; y++){
                   for (var x=0; x < grids[player][y].count ; x++){
                     if (grids[player][y][x] == "1"){
-                        alert('bot' + player + '-' + y + '-' + x);
                      document.getElementById( 'bot' + player + '-' + y + '-' + x).className="shipOn";
                     }
                   }