diff --git a/src/functions.php b/src/functions.php
index fb776da..aab8218 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -214,7 +214,8 @@ function save_battle($game,$bot1,$bot2,$resultat){
         ON DUPLICATE KEY UPDATE ".$field." = ".$field." + 1;");
 }
 function get_unique_id(){
-  $fp = fopen(__DIR__.'countBattles.txt', 'c+');
+
+  $fp = fopen(__DIR__.'/countBattles.txt', 'c+');
   flock($fp, LOCK_EX);
 
   $count = (int)fread($fp, filesize('count.txt'));