diff --git a/advanced_forum.module b/advanced_forum.module
index 1b469b3..2d989b6 100644
--- a/advanced_forum.module
+++ b/advanced_forum.module
@@ -1387,3 +1387,63 @@ function advanced_forum_post_position($node, $comment) {
 
   return $post_position;
 }
+
+/**
+ * Implements hook_expire_cache_alter().
+ *
+ * When a comment or forum node are cleared. Make sure that the parent
+ * term form pages are also cleared.
+ * If the forum post has a language prefix also clears all of the same
+ * paths with the langage prefix.
+ */
+function advanced_forum_expire_cache_alter(&$urls, $object_type, $object, $absolute_urls_passed = FALSE) {
+  // For nodes use the object as node.
+  if ($object_type == 'node') {
+    $node = $object;
+  }
+  // Or for comments use the comments node as the node.
+  elseif ($object_type == 'comment') {
+    $node = node_load($object->nid);
+    // Make sure we wildcard the node when clearing so pagination is cleared.
+    if (!isset($urls['node-' . $object->nid])) {
+      $urls['node-' . $node->nid] = 'node/' . $node->nid;
+    }
+    $urls['node-' . $node->nid] = $urls['node-' . $node->nid] . '|wildcard';
+  }
+  else {
+    // Do nothing if not node or comment.
+    return;
+  }
+
+  // Only do actions on nodes which have a forum-tid object.
+  if (isset($node->forum_tid)) {
+    $urls['forum'] = 'forum';
+    $urls['forum_id'] = 'forum/' . $node->forum_tid . '|wildcard';
+
+    // Get every parent term and clear, but not wildcard.
+    $parents = taxonomy_get_parents_all($node->forum_tid);
+    foreach ($parents as $parent) {
+      // Clear the forum path.
+      if ($parent->tid != $node->forum_tid) {
+        $urls['forum_parent_' . $parent->tid] = 'forum/' . $parent->tid;
+      }
+    }
+  }
+  // If the object has a language with a prefix remove the same urls +  prefix.
+  $lang = $node->language;
+  $languages = language_list();
+  if (isset($languages[$lang]) && $languages[$lang]->prefix != '') {
+    $new_urls = array();
+    foreach ($urls as $key => $value) {
+      $new_path = preg_replace("/\|wildcard$/", "", $value, 1, $wildcard);
+      $new_path = ltrim(url($new_path, array('language' => $languages[$lang])), '/');
+      if ($wildcard) {
+        $new_path = $new_path . "|wildcard";
+      }
+      $new_urls[$key . '_' . $lang] = $new_path;
+    }
+  $urls = array_merge($urls, $new_urls);
+  }
+  return $urls;
+}
+