diff --git a/html/index.php b/html/index.php
index 18acb36..778c41c 100644
--- a/html/index.php
+++ b/html/index.php
@@ -46,7 +46,7 @@ if (isset($_POST['xd_check'])){
 		die;
 	}
 	//call the good act.php
-	if($currentArena <> "") && (file_exists("../src/arenas/".$currentArena."/act.php"))){
+	if(($currentArena <> "") && (file_exists("../src/arenas/".$currentArena."/act.php")))){
 	  require_once("../src/arenas/".$currentArena."/act.php");
 	}else{
 	  require_once("../src/arenas/".$currentArena."/act.php");