diff --git a/application/controllers/StaticController.php b/application/controllers/StaticController.php
index df930c3d7..3a15b1b1e 100644
--- a/application/controllers/StaticController.php
+++ b/application/controllers/StaticController.php
@@ -30,8 +30,8 @@ class StaticController extends ActionController
 
     public function gravatarAction()
     {
+        header('Content-Type: image/jpg');
         $img = file_get_contents('http://www.gravatar.com/avatar/' . md5(strtolower(trim($this->_request->getParam('email')))) . '?s=200&d=mm');
-        header('image/jpeg');
         echo $img;
     }