diff --git a/module/tutorial/view/index.html.php b/module/tutorial/view/index.html.php
index c69d510e94..454c6edcf4 100644
--- a/module/tutorial/view/index.html.php
+++ b/module/tutorial/view/index.html.php
@@ -78,7 +78,7 @@
         $nav = $task['nav'];
         if(!commonModel::hasPriv($nav['module'], $nav['method'])) continue;
         $task['name'] = $name;
-        $task['id']   = ++$idx;
+        $task['id']   = ++ $idx;
         $task['url']  = helper::createLink($nav['module'], $nav['method'], isset($nav['vars']) ? $nav['vars'] : '', 'tutorial');
         $tasks[$name] = $task;
         ?>