diff --git a/phpBB/feed.php b/phpBB/feed.php
index 38bb9de008..35cd7fda3f 100644
--- a/phpBB/feed.php
+++ b/phpBB/feed.php
@@ -129,7 +129,7 @@ if (!$feed_updated_time)
 // FEED_IMAGE is not used (atom)
 $global_vars = array_merge($global_vars, array(
 	'FEED_IMAGE'			=> '',
-	'SELF_LINK'				=> $phpbb_feed_helper->append_sid('/feed.' . $phpEx, $params),
+	'SELF_LINK'				=> $phpbb_feed_helper->append_sid('feed.' . $phpEx, $params),
 	'FEED_LINK'				=> $board_url . '/index.' . $phpEx,
 	'FEED_TITLE'			=> $config['sitename'],
 	'FEED_SUBTITLE'			=> $config['site_desc'],
diff --git a/phpBB/includes/feed/base.php b/phpBB/includes/feed/base.php
index c8015ab916..af28ee8dc8 100644
--- a/phpBB/includes/feed/base.php
+++ b/phpBB/includes/feed/base.php
@@ -254,6 +254,6 @@ abstract class phpbb_feed_base
 			return $this->user->lang['GUEST'];
 		}
 
-		return '<a href="' . $this->helper->append_sid('/memberlist.' . $this->phpEx, 'mode=viewprofile&amp;u=' . $author_id) . '">' . $row[$this->get('creator')] . '</a>';
+		return '<a href="' . $this->helper->append_sid('memberlist.' . $this->phpEx, 'mode=viewprofile&amp;u=' . $author_id) . '">' . $row[$this->get('creator')] . '</a>';
 	}
 }
diff --git a/phpBB/includes/feed/forums.php b/phpBB/includes/feed/forums.php
index 130da1c56a..72f786aa6a 100644
--- a/phpBB/includes/feed/forums.php
+++ b/phpBB/includes/feed/forums.php
@@ -61,7 +61,7 @@ class phpbb_feed_forums extends phpbb_feed_base
 
 	function adjust_item(&$item_row, &$row)
 	{
-		$item_row['link'] = $this->helper->append_sid('/viewforum.' . $this->phpEx, 'f=' . $row['forum_id']);
+		$item_row['link'] = $this->helper->append_sid('viewforum.' . $this->phpEx, 'f=' . $row['forum_id']);
 
 		if ($this->config['feed_item_statistics'])
 		{
diff --git a/phpBB/includes/feed/helper.php b/phpBB/includes/feed/helper.php
index 20a399bcd7..93330aa2ad 100644
--- a/phpBB/includes/feed/helper.php
+++ b/phpBB/includes/feed/helper.php
@@ -65,7 +65,7 @@ class phpbb_feed_helper
 	*/
 	public function append_sid($url, $params)
 	{
-		return append_sid($this->get_board_url() . $url, $params, true, '');
+		return append_sid($this->get_board_url() . '/' . $url, $params, true, '');
 	}
 
 	/**
diff --git a/phpBB/includes/feed/post_base.php b/phpBB/includes/feed/post_base.php
index bfcb4141ec..a25ed50263 100644
--- a/phpBB/includes/feed/post_base.php
+++ b/phpBB/includes/feed/post_base.php
@@ -45,7 +45,7 @@ abstract class phpbb_feed_post_base extends phpbb_feed_base
 
 	function adjust_item(&$item_row, &$row)
 	{
-		$item_row['link'] = $this->helper->append_sid('/viewtopic.' . $this->phpEx, "t={$row['topic_id']}&amp;p={$row['post_id']}#p{$row['post_id']}");
+		$item_row['link'] = $this->helper->append_sid('viewtopic.' . $this->phpEx, "t={$row['topic_id']}&amp;p={$row['post_id']}#p{$row['post_id']}");
 
 		if ($this->config['feed_item_statistics'])
 		{
diff --git a/phpBB/includes/feed/topic_base.php b/phpBB/includes/feed/topic_base.php
index 0c845c30bd..e6a47b4c86 100644
--- a/phpBB/includes/feed/topic_base.php
+++ b/phpBB/includes/feed/topic_base.php
@@ -45,7 +45,7 @@ abstract class phpbb_feed_topic_base extends phpbb_feed_base
 
 	function adjust_item(&$item_row, &$row)
 	{
-		$item_row['link'] = $this->helper->append_sid('/viewtopic.' . $this->phpEx, 't=' . $row['topic_id'] . '&amp;p=' . $row['post_id'] . '#p' . $row['post_id']);
+		$item_row['link'] = $this->helper->append_sid('viewtopic.' . $this->phpEx, 't=' . $row['topic_id'] . '&amp;p=' . $row['post_id'] . '#p' . $row['post_id']);
 
 		if ($this->config['feed_item_statistics'])
 		{