diff --git a/includes/locale.php b/includes/locale.php
index 584fc326..91c18faa 100755
--- a/includes/locale.php
+++ b/includes/locale.php
@@ -44,6 +44,9 @@ if (empty($_SESSION['locale']) && strlen($_SERVER['HTTP_ACCEPT_LANGUAGE']) >= 2)
     case "ru":
       $locale = "ru_RU.UTF-8";
       break;
+    case "es":
+      $locale = "es_MX.UTF-8";
+      break;
     default:  
       $locale = "en_GB.UTF-8";
       break;