diff --git a/plugins/af_youtube_thumbnail/init.php b/plugins/af_youtube_thumbnail/init.php
index 650f1ad..ac516b0 100644
--- a/plugins/af_youtube_thumbnail/init.php
+++ b/plugins/af_youtube_thumbnail/init.php
@@ -1,23 +1,33 @@
 <?php
-class Af_Youtube_Thumbnail extends Plugin {
-  function about() {
-    return array(0.1,
-      "Add the thumbnail for Youtube videos",
-      "gdott9");
-  }
-
-  function init($host) {
-    $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
-  }
-
-  function hook_article_filter($article) {
-    if(strpos($article["link"], "youtube.com") !== FALSE) {
-      $video_id = str_replace('https://www.youtube.com/watch?v=', '', $article["link"]);
-      $article["content"] = '<img src="https://img.youtube.com/vi/'.$video_id.'/hqdefault.jpg" alt="'.$article["title"].'" />';
+class Af_Youtube_Thumbnail extends Plugin
+{
+    function about()
+    {
+        return array(0.1,
+        "Add the thumbnail for Youtube videos",
+        "gdott9");
     }
 
-    return $article;
-  }
+    function init($host)
+    {
+        $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
+    }
 
-  function api_version() { return 2; }
+    function hook_article_filter($article)
+    {
+        if (strpos($article["link"], "youtube.com") !== false) {
+            $video_url_prefix = 'https://www.youtube.com/watch?v=';
+            $short_url_prefix = 'https://www.youtube.com/shorts/';
+            $is_short = substr($article["link"], 0, strlen($short_url_prefix)) === $short_url_prefix;
+            $video_id = str_replace($is_short ? $short_url_prefix : $video_url_prefix, '', $article["link"]);
+            $article["content"] = '<img src="https://i.ytimg.com/vi/'.$video_id.'/hqdefault.jpg" alt="'.$article["title"].'" />';
+        }
+
+        return $article;
+    }
+
+    function api_version()
+    {
+        return 2;
+    }
 }