diff --git a/tests/units/Formatter/UserMentionFormatterTest.php b/tests/units/Formatter/UserMentionFormatterTest.php
index 5d728c68b..c42608ab3 100644
--- a/tests/units/Formatter/UserMentionFormatterTest.php
+++ b/tests/units/Formatter/UserMentionFormatterTest.php
@@ -29,7 +29,7 @@ class UserMentionFormatterTest extends Base
         $expected = array(
             array(
                 'value' => 'someone',
-                'html' => '<div class="avatar avatar-20 avatar-inline"><img src="?controller=AvatarFileController&amp;action=image&amp;user_id=1&amp;hash=5acc03af0274414544b9615fb223d925&amp;size=20" alt="Someone" title="Someone"></div> someone <small>Someone</small>',
+                'html' => '<div class="avatar avatar-20 avatar-inline"><img src="?controller=AvatarFileController&amp;action=image&amp;user_id=1&amp;hash=5acc03af0274414544b9615fb223d925&amp;size=20" alt="Someone" title="Someone"></div> someone <small aria-hidden="true">Someone</small>',
             ),
             array(
                 'value' => 'somebody',