Ticket #22121: 22121.patch

wp-includes/admin-bar.php

@@ -174 +174 @@
         $user_info  = get_avatar( $user_id, 64 );
         $user_info .= "<span class='display-name'>{$current_user->display_name}</span>";
 
-        if ( $current_user->display_name !== $current_user->user_nicename )
-                $user_info .= "<span class='username'>{$current_user->user_nicename}</span>";
+        if ( $current_user->display_name !== $current_user->user_login )
+                $user_info .= "<span class='username'>{$current_user->user_login}</span>";
 
         $wp_admin_bar->add_menu( array(
                 'parent' => 'user-actions',