diff --git a/themes/quark-open-publishing/templates/partials/blog-item.html.twig b/themes/quark-open-publishing/templates/partials/blog-item.html.twig
index e63f45b6..6b42c09b 100644
--- a/themes/quark-open-publishing/templates/partials/blog-item.html.twig
+++ b/themes/quark-open-publishing/templates/partials/blog-item.html.twig
@@ -51,18 +51,30 @@
 {% if not (grav.uri.param('chromeless') or grav.uri.param('embedded') or grav.uri.param('standalone')) and not(theme_var('chromeless.enabled')) and not (grav.uri.param('summaryonly') or grav.uri.param('onlysummary')) %}
 
 {% set currentPage = page %}
-{% set allPages = pages.children %}
-{% set allPages = allPages|sort(date, 'desc') %}
-{% set currentPageIndex = allPages.index(currentPage) %}
+{% set allPages = [] %}
+{% set currentPageIndex = 0 %}
+{% for child in pages.children %}
+    {% set subPages = child.children %}
+    {% for subPage in subPages %}
+        {% set allPages = allPages|merge([subPage]) %}
+    {% endfor %}
+{% endfor %}
+
+{% set allPages = allPages|sort(modified, 'desc') %}
+{% for i, page in allPages %}
+    {% if page.url == currentPage.url %}
+        {% set currentPageIndex = i %}
+    {% endif %}
+{% endfor %}
 
     <p class="prev-next text-center">
-        {% if currentPageIndex < allPages|length-1 %}
+        {% if currentPageIndex > 0 %}
             <a class="btn" href="{{ allPages[currentPageIndex-1].url }}">
                 <i class="fa fa-angle-left"></i>
                 {{ 'THEME_QUARK.BLOG.ITEM.PREV_POST'|t }}
             </a>
         {% endif %}
-        {% if currentPageIndex > 0 %}
+        {% if currentPageIndex < allPages|length-1 %}
             <a class="btn" href="{{ allPages[currentPageIndex+1].url }}">{{ 'THEME_QUARK.BLOG.ITEM.NEXT_POST'|t }}
                 <i class="fa fa-angle-right"></i>
             </a>