1 files changed, 5 insertions, 0 deletions
diff --git a/phpBB/viewtopic.php b/phpBB/viewtopic.php
index f8d21fbbec..bc96e31d38 100644
--- a/phpBB/viewtopic.php
+++ b/phpBB/viewtopic.php
@@ -32,6 +32,11 @@ if(isset($HTTP_GET_VARS[POST_TOPIC_URL]))
 {
 	$topic_id = intval($HTTP_GET_VARS[POST_TOPIC_URL]);
 }
+else if(isset($HTTP_GET_VARS['topic']))
+{
+	$topic_id = intval($HTTP_GET_VARS['topic']);
+}
+
 if(isset($HTTP_GET_VARS[POST_POST_URL]))
 {
 	$post_id = intval($HTTP_GET_VARS[POST_POST_URL]);