diff --git a/module/user/control.php b/module/user/control.php
index 2ea24107db..2def090c79 100755
--- a/module/user/control.php
+++ b/module/user/control.php
@@ -1134,6 +1134,7 @@ class user extends control
     public function refreshRandom()
     {
         $rand = updateSessionRandom();
+        ob_end_clean();
         echo (string)$rand;
     }
 }