diff --git a/actions/apistatusesretweet.php b/actions/apistatusesretweet.php
index 85de79d5c8..d9d4820c0e 100644
--- a/actions/apistatusesretweet.php
+++ b/actions/apistatusesretweet.php
@@ -80,7 +80,7 @@ class ApiStatusesRetweetAction extends ApiAuthAction
         $this->user = $this->auth_user;
 
         if ($this->user->id == $notice->profile_id) {
-            $this->clientError(_('Cannot repeat your own notice.'));
+            $this->clientError(_('Cannot repeat your own notice.'),
                                400, $this->format);
             return false;
         }