diff --git a/post.php b/post.php
index 729170a7..77066449 100644
--- a/post.php
+++ b/post.php
@@ -17,7 +17,7 @@ if (get_magic_quotes_gpc()) {
 	$_POST = strip_array($_POST);
 }
 
-if ((!isset($_POST['mod']) || !$_POST['mod']) && $config['board_locked']) {
+if ((!isset($_POST['mod']) || !$_POST['mod']) && is_array($config['board_locked']) && in_array(strtolower($_POST["board"]), $config['board_locked'])) {
     error("Board is locked");
 }