diff --git a/templates/themes/catalog/theme.php b/templates/themes/catalog/theme.php
index 4d34d42d..b25abf32 100644
--- a/templates/themes/catalog/theme.php
+++ b/templates/themes/catalog/theme.php
@@ -1,18 +1,18 @@
 <?php
 	require 'info.php';
-	
+
 	function catalog_build($action, $settings, $board) {
 		global $config;
-		
+
 		// Possible values for $action:
 		//	- all (rebuild everything, initialization)
 		//	- news (news has been updated)
 		//	- boards (board list changed)
 		//	- post (a reply has been made)
 		//	- post-thread (a thread has been made)
-		
+
 		$boards = explode(' ', $settings['boards']);
-				
+
 		if ($action == 'all') {
 			foreach ($boards as $board) {
 				$b = new Catalog();
@@ -39,35 +39,35 @@
 			}
 		}
 	}
-	
+
 	// Wrap functions in a class so they don't interfere with normal Tinyboard operations
 	class Catalog {
 		public function build($settings, $board_name) {
 			global $config, $board;
 
-			if (!isset($board) || $board['uri'] != $board_name) {			
+			if (!isset($board) || $board['uri'] != $board_name) {
 				if (!openBoard($board_name)) {
 					error(sprintf(_("Board %s doesn't exist"), $board_name));
 				}
 			}
-			
+
 			$recent_images = array();
 			$recent_posts = array();
 			$stats = array();
-			
+
                         $query = query(sprintf("SELECT *, `id` AS `thread_id`,
 				(SELECT COUNT(`id`) FROM ``posts_%s`` WHERE `thread` = `thread_id`) AS `reply_count`,
 				(SELECT SUM(`num_files`) FROM ``posts_%s`` WHERE `thread` = `thread_id` AND `num_files` IS NOT NULL) AS `image_count`,
 				'%s' AS `board` FROM ``posts_%s`` WHERE `thread`  IS NULL ORDER BY `bump` DESC",
 			$board_name, $board_name, $board_name, $board_name, $board_name)) or error(db_error());
-			
+
 			while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
 				$post['link'] = $config['root'] . $board['dir'] . $config['dir']['res'] . link_for($post);
 				$post['board_name'] = $board['name'];
 
 				if ($post['embed'] && preg_match('/^https?:\/\/(\w+\.)?(?:youtube\.com\/watch\?v=|youtu\.be\/)([a-zA-Z0-9\-_]{10,11})(&.+)?$/i', $post['embed'], $matches)) {
 					$post['youtube'] = $matches[2];
-				}				
+				}
 
 				if (isset($post['files']) && $post['files']) {
 					$files = json_decode($post['files']);
@@ -87,7 +87,7 @@
 							}
 						}
 						else if($files[0]->thumb == 'spoiler') {
-							$post['file'] = '/' . $config['spoiler_image'];
+							$post['file'] = $config['root'] . $config['spoiler_image'];
 						}
 						else {
 							$post['file'] = $config['uri_thumb'] . $files[0]->thumb;
@@ -101,7 +101,7 @@
 				$post['pubdate'] = date('r', $post['time']);
 				$recent_posts[] = $post;
 			}
-			
+
 			$required_scripts = array('js/jquery.min.js', 'js/jquery.mixitup.min.js', 'js/catalog.js');
 
 			foreach($required_scripts as $i => $s) {