diff --git a/pelican/themes/simple/templates/base.html b/pelican/themes/simple/templates/base.html
index 1f55a40f..c1d9cb78 100644
--- a/pelican/themes/simple/templates/base.html
+++ b/pelican/themes/simple/templates/base.html
@@ -11,16 +11,16 @@
         <link href="{{ FEED_DOMAIN }}/{{ FEED_RSS }}" type="application/rss+xml" rel="alternate" title="{{ SITENAME }} RSS Feed" />
         {% endif %}
         {% if CATEGORY_FEED_ATOM %}
-        <link href="{{ FEED_DOMAIN }}/{{ CATEGORY_FEED_ATOM }}" type="application/atom+xml" rel="alternate" title="{{ SITENAME }} Categories Atom Feed" />
+        <link href="{{ FEED_DOMAIN }}/{{ CATEGORY_FEED_ATOM|format(category) }}" type="application/atom+xml" rel="alternate" title="{{ SITENAME }} Categories Atom Feed" />
         {% endif %}
         {% if CATEGORY_FEED_RSS %}
-        <link href="{{ FEED_DOMAIN }}/{{ CATEGORY_FEED_RSS }}" type="application/rss+xml" rel="alternate" title="{{ SITENAME }} Categories RSS Feed" />
+        <link href="{{ FEED_DOMAIN }}/{{ CATEGORY_FEED_RSS|format(category) }}" type="application/rss+xml" rel="alternate" title="{{ SITENAME }} Categories RSS Feed" />
         {% endif %}
         {% if TAG_FEED_ATOM %}
-        <link href="{{ FEED_DOMAIN }}/{{ TAG_FEED_ATOM }}" type="application/atom+xml" rel="alternate" title="{{ SITENAME }} Tags Atom Feed" />
+        <link href="{{ FEED_DOMAIN }}/{{ TAG_FEED_ATOM|format(tag) }}" type="application/atom+xml" rel="alternate" title="{{ SITENAME }} Tags Atom Feed" />
         {% endif %}
         {% if TAG_FEED_RSS %}
-        <link href="{{ FEED_DOMAIN }}/{{ TAG_FEED_RSS }}" type="application/rss+xml" rel="alternate" title="{{ SITENAME }} Tags RSS Feed" />
+        <link href="{{ FEED_DOMAIN }}/{{ TAG_FEED_RSS|format(tag) }}" type="application/rss+xml" rel="alternate" title="{{ SITENAME }} Tags RSS Feed" />
         {% endif %}
         {% endblock head %}
 </head>