diff --git a/CHANGELOG.md b/CHANGELOG.md
index 36f5391..c0d3b21 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,14 @@
 Changelog
 =========
 
+Version 2.9.1 – 16.08.2022
+--------------------------
+
+### Bugfixes
+
+* Umleitung bei Frontendaufrufen mit `?article_id=X`-Parameter nicht mehr bei API-Aufrufen und bei POST-Requests, um kompatibler zum Verhalten vor v2.9 zu sein (@gharlan)
+
+
 Version 2.9.0 – 03.08.2022
 --------------------------
 
diff --git a/lib/yrewrite/yrewrite.php b/lib/yrewrite/yrewrite.php
index 9b94d41..77d4d9f 100644
--- a/lib/yrewrite/yrewrite.php
+++ b/lib/yrewrite/yrewrite.php
@@ -217,7 +217,7 @@ public static function getPathsByDomain($domain)
 
     public static function prepare()
     {
-        if (rex::isFrontend() && $articleId = rex_request('article_id', 'int')) {
+        if (rex::isFrontend() && 'get' === rex_request_method() && !rex_get('rex-api-call') && $articleId = rex_get('article_id', 'int')) {
             $params = $_GET;
             unset($params['article_id']);
             unset($params['clang']);
@@ -225,14 +225,18 @@ public static function prepare()
             rex_response::sendRedirect($url, rex_response::HTTP_MOVED_PERMANENTLY);
         }
 
-        if (!isset($_SERVER['REQUEST_URI'])) {
-            $_SERVER['REQUEST_URI'] = substr($_SERVER['PHP_SELF'], 1);
-            if (!empty($_SERVER['QUERY_STRING'])) {
-                $_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
+        if ($articleId = rex_request('article_id', 'int')) {
+            $url = rex_getUrl($articleId);
+        } else {
+            if (!isset($_SERVER['REQUEST_URI'])) {
+                $_SERVER['REQUEST_URI'] = substr($_SERVER['PHP_SELF'], 1);
+                if (!empty($_SERVER['QUERY_STRING'])) {
+                    $_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
+                }
             }
-        }
 
-        $url = urldecode($_SERVER['REQUEST_URI']);
+            $url = urldecode($_SERVER['REQUEST_URI']);
+        }
 
         $resolver = new rex_yrewrite_path_resolver(self::$domainsByName, self::$domainsByMountId, self::$aliasDomains, self::$paths['paths'] ?? [], self::$paths['redirections'] ?? []);
         $resolver->resolve($url);
diff --git a/package.yml b/package.yml
index 78582b3..faac7cb 100644
--- a/package.yml
+++ b/package.yml
@@ -1,5 +1,5 @@
 package: yrewrite
-version: '2.9.0'
+version: '2.9.1'
 author: Jan Kristinus, Gregor Harlan
 supportpage: https://github.com/yakamara/redaxo_yrewrite
 docspage: https://github.com/yakamara/redaxo_yrewrite/edit/main/README.md