diff --git a/src/arenas/Battleship/js.js b/src/arenas/Battleship/js.js
index 7447d11..e7eb204 100644
--- a/src/arenas/Battleship/js.js
+++ b/src/arenas/Battleship/js.js
@@ -22,9 +22,9 @@ function createElem(type,attributes)
 
 function battleship(bot1,bot2,gridWidth,gridHeight,nbShip1,nbShip2,nbShip3,nbShip4,nbShip5,nbShip6,xd_check){
   
-  var shipsArea=nbShip1 + 2 * nbShip2 + 3 * nbShip3 + 4 * nbShip4 + 5 * nbShip5 + 6 * nbShip6;
+  var shipsArea= nbShip1 + 2 * nbShip2 + 3 * nbShip3 + 4 * nbShip4 + 5 * nbShip5 + 6 * nbShip6;
   if(shipsArea > gridWidth * gridHeight / 2 ){
-      alert("Map is too small. Sum of ships areas must be under 50% of the map.");
+      alert("Map is too small. Sum of ships areas must be under 50% of the map." + shipsArea);
       return;
   }
   var ships= [0,nbShip1,nbShip2,nbShip3,nbShip4,nbShip5,nbShip6];