diff --git a/inc/mod/pages.php b/inc/mod/pages.php
index eb3f166a..dc870b79 100644
--- a/inc/mod/pages.php
+++ b/inc/mod/pages.php
@@ -782,10 +782,14 @@ function mod_view_catalog($boardName) {
     // What follows if horrendous. I am ashamed of myself. See https://git.leftypol.org/leftypol/leftypol/issues/94
     else {
         require "templates/themes/overboards/overboards.php";
-        foreach ($overboards_config as &$overboard) {
+        foreach ($overboards_config as $overboard) {
             if ($overboard['uri'] === $boardName) {
                 $settings = array_merge($settings, themeSettings('catalog'));
 
+                // Ukkos aren't real boards according to vichan, so we need to define the global $board variable for them.
+                global $board;
+                $board = $overboard;
+
                 $included_boards = array_diff(listBoards(true), $overboard['exclude']);
                 echo $catalog->buildOverboard($overboard['uri'], $settings, $included_boards, $mod);
                 break;