diff --git a/_includes/header.html b/_includes/header.html
index 6d6b19e..e3815d8 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -28,7 +28,7 @@
     </nav>
     {% for item in site.data.header-menu.items %}
         {% if item.items %}
-            {% if showSubmenu %}
+            {% if page.url == item.link or page.parent_link == item.link %}
                 <nav id="submenuNavbar" class="navbar navbar-expand-lg navbar-light fixed-top">
                     <div class="container">
                         <button class="navbar-toggler" type="button" data-toggle="collapse"