diff --git a/gulliver/system/class.g.php b/gulliver/system/class.g.php
index f3e3f3d45..2c8388634 100755
--- a/gulliver/system/class.g.php
+++ b/gulliver/system/class.g.php
@@ -5231,6 +5231,7 @@ class G
         if (!isset($allFunctions['user'])) {
             $allFunctions['user'] = array();
         }
+        $allFunctions['user'][] = 'sort';
         return in_array(strtolower($functionName), $allFunctions['user']);
     }