diff --git a/modules/forum.module b/modules/forum.module
index 6b0038427fa8f5e8657022bfebe830b1e8e3dd7b..937e09ac1aececa5f79aff70ff6d94eef67e91b4 100644
--- a/modules/forum.module
+++ b/modules/forum.module
@@ -663,10 +663,6 @@ function _forum_format($topic) {
  */
 function forum_get_forums($tid = 0) {
 
-  if (!$tid) {
-    $tid = 0;
-  }
-
   $forums = array();
   $_forums = taxonomy_get_tree(variable_get('forum_nav_vocabulary', ''), $tid);
 
@@ -699,7 +695,7 @@ function forum_get_forums($tid = 0) {
     // This query does not use full ANSI syntax since MySQL 3.x does not support
     // table1 INNER JOIN table2 INNER JOIN table3 ON table2_criteria ON table3_criteria
     // used to join node_comment_statistics to users.
-    $sql = "SELECT n.nid, f.tid, n.title, n.sticky, u.name, u.uid, n.created AS timestamp, n.comment AS comment_mode, l.last_comment_timestamp, IF(l.last_comment_uid != 0, cu.name, l.last_comment_name) AS last_comment_name, l.last_comment_uid, l.comment_count AS num_comments FROM {node} n INNER JOIN {users} u ON n.uid = u.uid INNER JOIN {term_node} r ON n.nid = r.nid INNER JOIN {forum} f ON n.vid = f.vid INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {users} cu ON l.last_comment_uid = cu.uid WHERE n.status = 1 AND r.tid = %d";
+    $sql = "SELECT ncs.last_comment_timestamp, IF (ncs.last_comment_uid != 0, u2.name, ncs.last_comment_name) AS last_comment_name, ncs.last_comment_uid FROM {node} n INNER JOIN {users} u1 ON n.uid = u1.uid INNER JOIN {term_node} tn ON n.nid = tn.nid INNER JOIN {node_comment_statistics} ncs ON n.nid = ncs.nid INNER JOIN users u2 ON ncs.last_comment_uid=u2.uid WHERE n.status = 1 AND tn.tid = %d ORDER BY ncs.last_comment_timestamp DESC";
     $sql = db_rewrite_sql($sql);
     $topic = db_fetch_object(db_query_range($sql, $forum->tid, 0, 1));
 
diff --git a/modules/forum/forum.module b/modules/forum/forum.module
index 6b0038427fa8f5e8657022bfebe830b1e8e3dd7b..937e09ac1aececa5f79aff70ff6d94eef67e91b4 100644
--- a/modules/forum/forum.module
+++ b/modules/forum/forum.module
@@ -663,10 +663,6 @@ function _forum_format($topic) {
  */
 function forum_get_forums($tid = 0) {
 
-  if (!$tid) {
-    $tid = 0;
-  }
-
   $forums = array();
   $_forums = taxonomy_get_tree(variable_get('forum_nav_vocabulary', ''), $tid);
 
@@ -699,7 +695,7 @@ function forum_get_forums($tid = 0) {
     // This query does not use full ANSI syntax since MySQL 3.x does not support
     // table1 INNER JOIN table2 INNER JOIN table3 ON table2_criteria ON table3_criteria
     // used to join node_comment_statistics to users.
-    $sql = "SELECT n.nid, f.tid, n.title, n.sticky, u.name, u.uid, n.created AS timestamp, n.comment AS comment_mode, l.last_comment_timestamp, IF(l.last_comment_uid != 0, cu.name, l.last_comment_name) AS last_comment_name, l.last_comment_uid, l.comment_count AS num_comments FROM {node} n INNER JOIN {users} u ON n.uid = u.uid INNER JOIN {term_node} r ON n.nid = r.nid INNER JOIN {forum} f ON n.vid = f.vid INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {users} cu ON l.last_comment_uid = cu.uid WHERE n.status = 1 AND r.tid = %d";
+    $sql = "SELECT ncs.last_comment_timestamp, IF (ncs.last_comment_uid != 0, u2.name, ncs.last_comment_name) AS last_comment_name, ncs.last_comment_uid FROM {node} n INNER JOIN {users} u1 ON n.uid = u1.uid INNER JOIN {term_node} tn ON n.nid = tn.nid INNER JOIN {node_comment_statistics} ncs ON n.nid = ncs.nid INNER JOIN users u2 ON ncs.last_comment_uid=u2.uid WHERE n.status = 1 AND tn.tid = %d ORDER BY ncs.last_comment_timestamp DESC";
     $sql = db_rewrite_sql($sql);
     $topic = db_fetch_object(db_query_range($sql, $forum->tid, 0, 1));