diff --git a/src/arenas/tron/js.js b/src/arenas/tron/js.js
index ff140e0..c2107ff 100644
--- a/src/arenas/tron/js.js
+++ b/src/arenas/tron/js.js
@@ -61,7 +61,7 @@ function applyInitMessage(req){
     }
   }
 }
-function tron(bot1,bot2,xd_check){
+function tron(xd_check){
         //empty
         while (document.getElementById('fightResult').firstChild) {
             document.getElementById('fightResult').removeChild(document.getElementById('fightResult').firstChild);
diff --git a/src/arenas/tron/public.php b/src/arenas/tron/public.php
index da6083e..550e2dd 100644
--- a/src/arenas/tron/public.php
+++ b/src/arenas/tron/public.php
@@ -29,7 +29,7 @@ foreach($bots as $bot){
    
    
 		<p><input type="checkbox" id="fullLogs"/><label for="fullLogs">view the full logs</label></p>
-	<p><input id="fightButton" disabled="disabled" type="button" value="<?php echo $lang['FIGHT']; ?>" onclick="tron(document.getElementById('bot1').value,document.getElementById('bot2').value,'<?php echo xd_check_input(2); ?>');"></p>
+	<p><input id="fightButton" disabled="disabled" type="button" value="<?php echo $lang['FIGHT']; ?>" onclick="tron('<?php echo xd_check_input(2); ?>');"></p>
 	 <div id="fightResult"></div>
 
 </article>
\ No newline at end of file