diff --git a/phpBB/adm/swatch.php b/phpBB/adm/swatch.php
index 434b00e542..5e8984db70 100644
--- a/phpBB/adm/swatch.php
+++ b/phpBB/adm/swatch.php
@@ -22,7 +22,7 @@ $auth->acl($user->data);
 $user->setup();
 
 // Set custom template for admin area
-$template->set_custom_template($phpbb_root_path . 'adm/style', 'admin');
+$phpbb_style->set_custom_style('admin', $phpbb_admin_path . 'style', '');
 
 $template->set_filenames(array(
 	'body' => 'colour_swatch.html')