diff --git a/templates/remark/flag.html.ep b/templates/remark/flag.html.ep
index 0e468a0..7d17ae0 100644
--- a/templates/remark/flag.html.ep
+++ b/templates/remark/flag.html.ep
@@ -12,5 +12,6 @@
     <%= text_field captcha => id => 'captcha' %>
   </div>
   <button type="submit" class="form-button">Confirm</button>
+  </fieldset>
 </form>
 <% } =%>
diff --git a/templates/thread/bump.html.ep b/templates/thread/bump.html.ep
index 2280204..fae0924 100644
--- a/templates/thread/bump.html.ep
+++ b/templates/thread/bump.html.ep
@@ -12,5 +12,6 @@
     <%= text_field captcha => id => 'captcha' %>
   </div>
   <button type="submit" class="form-button">Confirm</button>
+  </fieldset>
 </form>
 <% } =%>
diff --git a/templates/thread/flag.html.ep b/templates/thread/flag.html.ep
index 30ba7bf..77450cc 100644
--- a/templates/thread/flag.html.ep
+++ b/templates/thread/flag.html.ep
@@ -12,5 +12,6 @@
     <%= text_field captcha => id => 'captcha' %>
   </div>
   <button type="submit" class="form-button">Confirm</button>
+  </fieldset>
 </form>
 <% } =%>