diff --git a/templates/partial/header.html.ep b/templates/partial/header.html.ep
index c3e7e6e..1a9b9ad 100644
--- a/templates/partial/header.html.ep
+++ b/templates/partial/header.html.ep
@@ -28,7 +28,7 @@
       % param(cutoff => 1) unless param 'q';
       %= check_box cutoff => 1, id => 'q-cutoff-field', class => 'checkbox'
       <label for="q-cutoff-field" title="<%= loc('glimpse_desc') %>"><span></span><%= loc('glimpse') %></label>
-      <%= link_to 'doc_start', title => loc('tutorial'), class => "tutorial", id => "view-tutorial", begin %><span><%= loc 'tutorial' %></span><% end %>
+      <%= link_to 'doc_start', title => loc('tutorial'), class => "tutorial", id => "view-tutorial", tabindex => '-1', begin %><span><%= loc 'tutorial' %></span><% end %>
     </div>
   </form>
 </header>