diff --git a/mastodonapi.php b/mastodonapi.php
index c64d30a..d0266a6 100644
--- a/mastodonapi.php
+++ b/mastodonapi.php
@@ -63,7 +63,7 @@ class YellowMastodonAPI {
 
         $apiUrl = rtrim($instanceUrl, "/") . "/api/v1/accounts/" . $accountId . "/statuses?limit=20";
 
-        // Header dynamisch aufbauen
+        // HTTP Header dynamisch aufbauen
         $headers = "User-Agent: YellowMastodonAPI\r\n";
         if (!empty($accessToken)) {
             $headers .= "Authorization: Bearer " . $accessToken . "\r\n";
@@ -99,9 +99,9 @@ class YellowMastodonAPI {
         foreach ($posts as $post) {
             $contentHtml = $post['content'];
             $createdAt   = $post['created_at'];
-            $tags        = array_map('strtolower', array_column($post['tags'], 'name'));
+            $tags        = array_column($post['tags'], 'name');
 
-            if (!empty($hashtag) && !in_array(strtolower($hashtag), $tags)) {
+            if (!empty($hashtag) && !in_array(strtolower($hashtag), array_map('strtolower', $tags))) {
                 continue;
             }