diff --git a/include/class.config.php b/include/class.config.php
index a8785fc1364ab6996a6307e2cabefcdd65fb7da3..ba261e8b4d8286773568283059b246057a23bcff 100644
--- a/include/class.config.php
+++ b/include/class.config.php
@@ -452,8 +452,8 @@ class OsticketConfig extends Config {
 
     static function allTopicSortModes() {
         return array(
-            'a' => 'Alphabetically',
-            'm' => 'Manually',
+            'a' => __('Alphabetically'),
+            'm' => __('Manually'),
         );
     }