diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 6a8e27f6dd..4450be81d6 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -264,6 +264,8 @@ p a {
 		<li>[Feature] Ability to disable birthdays completely with new board features setting</li>
 		<li>[Fix] Fix disallowed username check (Bug #13511)</li>
 		<li>[Fix] Allow for unicode usernames to be pruned (Bug #13643)</li>
+		<li>[Fix] Do not copy forum permissions from self(Bug #13663)</li>
+
 
 	</ul>
 
diff --git a/phpBB/includes/acp/acp_forums.php b/phpBB/includes/acp/acp_forums.php
index 96f7a15255..66a9d7ff75 100644
--- a/phpBB/includes/acp/acp_forums.php
+++ b/phpBB/includes/acp/acp_forums.php
@@ -163,7 +163,7 @@ class acp_forums
 						$forum_perm_from = request_var('forum_perm_from', 0);
 
 						// Copy permissions?
-						if ($forum_perm_from)
+						if ($forum_perm_from && !empty($forum_perm_from) && $forum_perm_from == $forum_data['forum_id'])
 						{
 							// if we edit a forum delete current permissions first
 							if ($action == 'edit')
@@ -638,7 +638,7 @@ class acp_forums
 					'S_STATUS_OPTIONS'			=> $statuslist,
 					'S_PARENT_OPTIONS'			=> $parents_list,
 					'S_STYLES_OPTIONS'			=> $styles_list,
-					'S_FORUM_OPTIONS'			=> make_forum_select(($action == 'add') ? $forum_data['parent_id'] : false, false, false, false, false),
+					'S_FORUM_OPTIONS'			=> make_forum_select(($action == 'add') ? $forum_data['parent_id'] : false, ($action == 'edit') ? $forum_data['forum_id'] : false, false, false, false),
 					'S_SHOW_DISPLAY_ON_INDEX'	=> $s_show_display_on_index,
 					'S_FORUM_POST'				=> ($forum_data['forum_type'] == FORUM_POST) ? true : false,
 					'S_FORUM_ORIG_POST'			=> (isset($old_forum_type) && $old_forum_type == FORUM_POST) ? true : false,