1 files changed, 8 insertions, 2 deletions

diff --git a/hyperkitty/templates/threads/category.html b/hyperkitty/templates/threads/category.html
index c315a2e..71c279c 100644
--- a/hyperkitty/templates/threads/category.html
+++ b/hyperkitty/templates/threads/category.html
@@ -1,8 +1,14 @@
 {% load url from future %}
 
         {{ category_form.errors.category }}
-        <a class="label" title="Click to edit"
-           {% if category %}style="background-color:{{category.color}}"{% endif %}>
+        <a class="label {% if not user.is_authenticated %} disabled {% endif %}"
+           {% if category %}style="background-color:{{category.color}}"{% endif %}
+           {% if user.is_authenticated %}
+           title="Click to edit"
+           {% else %}
+           title="You must be logged-in to edit."
+           {% endif %}
+           >
             {% if category %}
             {{ category.name|upper }}
             {% else %}