diff --git a/includes/common.inc b/includes/common.inc
index 0248d0e..34b49c2 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -347,17 +347,16 @@ function drupal_get_html_head() {
  *
  * This function can be called as long the HTML header hasn't been sent.
  *
- * @param $path_or_external_url
- *   The internal path or external URL of the feed. This should be either a raw
- *   path (not having passed through url()) or an external URL.
+ * @param $url
+ *   A url for the feed.
  * @param $title
  *   The title of the feed.
  */
-function drupal_add_feed($path_or_external_url = NULL, $title = '') {
+function drupal_add_feed($url = NULL, $title = '') {
   $stored_feed_links = &drupal_static(__FUNCTION__, array());
 
-  if (isset($path_or_external_url)) {
-    $stored_feed_links[$path_or_external_url] = theme('feed_icon', array('url' => $path_or_external_url, 'title' => $title));
+  if (isset($url)) {
+    $stored_feed_links[$url] = theme('feed_icon', array('url' => $url, 'title' => $title));
 
     drupal_add_html_head_link(array(
       'rel' => 'alternate',
@@ -365,10 +364,9 @@ function drupal_add_feed($path_or_external_url = NULL, $title = '') {
       'title' => $title,
       // Force the URL to be absolute, for consistency with other <link> tags
       // output by Drupal.
-      'href' => url($path_or_external_url, array('absolute' => TRUE)),
+      'href' => url($url, array('absolute' => TRUE)),
     ));
   }
-
   return $stored_feed_links;
 }
 
@@ -744,7 +742,7 @@ function drupal_access_denied() {
  *     call may take. The default is 30 seconds. If a timeout occurs, the error
  *     code is set to the HTTP_REQUEST_TIMEOUT constant.
  *   - context: A context resource created with stream_context_create().
- *
+ * 
  * @return object
  *   An object that can have one or more of the following components:
  *   - request: A string containing the request body that was sent.
diff --git a/includes/theme.inc b/includes/theme.inc
index 9f1c0c0..3839e1e 100644
--- a/includes/theme.inc
+++ b/includes/theme.inc
@@ -1866,8 +1866,7 @@ function theme_more_help_link($variables) {
  *
  * @param $variables
  *   An associative array containing:
- *   - url: The internal path or external URL of the feed. This should be
- *     either a raw path (not having passed through url()) or an external URL.
+ *   - url: The url of the feed.
  *   - title: A descriptive title of the feed.
  */
 function theme_feed_icon($variables) {
diff --git a/modules/forum/forum.module b/modules/forum/forum.module
index ef81236..0a5a8f9 100644
--- a/modules/forum/forum.module
+++ b/modules/forum/forum.module
@@ -982,7 +982,7 @@ function template_preprocess_forums(&$variables) {
 
     if ($variables['tid'] && !in_array($variables['tid'], variable_get('forum_containers', array()))) {
       $variables['topics'] = theme('forum_topic_list', $variables);
-      drupal_add_feed('taxonomy/term/' . $variables['tid'] . '/feed', 'RSS - ' . $title);
+      drupal_add_feed('taxonomy/term/' . $variables['tid'] . '/0/feed', 'RSS - ' . $title);
     }
     else {
       $variables['topics'] = '';