diff --git a/lib/navigationlib.php b/lib/navigationlib.php
index 10ed6ae89ac30..f96f74cdcd339 100644
--- a/lib/navigationlib.php
+++ b/lib/navigationlib.php
@@ -1936,7 +1936,8 @@ protected function load_for_user($user=null, $forceforcontext=false) {
                 return false;
             }
             // Add a branch for the current user
-            $usernode = $usersnode->add(fullname($user, true), $userviewurl, self::TYPE_USER, null, $user->id);
+            $canseefullname = has_capability('moodle/site:viewfullnames', $coursecontext);
+            $usernode = $usersnode->add(fullname($user, $canseefullname), $userviewurl, self::TYPE_USER, null, $user->id);
 
             if ($this->page->context->contextlevel == CONTEXT_USER && $user->id == $this->page->context->instanceid) {
                 $usernode->make_active();