diff --git a/_includes/widgets/categories_list b/_includes/widgets/categories_list
index 3b0880ba..27a0f33f 100644
--- a/_includes/widgets/categories_list
+++ b/_includes/widgets/categories_list
@@ -124,6 +124,11 @@
                 <ul id="ctg-{{ forloop0.index }}-cld-{{ forloop1.index }}-cld-{{ forloop.index }}-cld" class="nav">
                   {% for gg in g.categories %}
                     <li id="ctg-{{ forloop0.index }}-cld-{{ forloop1.index }}-cld-{{ forloop2.index }}-cld-{{ forloop.index }}">
+                      {% if gg.categories %}
+                         <i class="icon-fixed-width icon-{{ icon_close }}" onclick="click_toc('#ctg-{{ forloop0.index }}-cld-{{ forloop1.index }}-cld-{{ forloop2.index }}-cld-{{ forloop.index }}', '{{ icon_open }}', '{{ icon_close }}')"></i>
+                      {% else %}
+                         <i class="icon-fixed-width icon-{{ icon_close }} {{ not_collapsable }}"></i>
+                      {% endif %}
 
                       {% assign name = gg.name %}
                       {% assign downcase_name = name | downcase %}