diff --git a/Admin/Installer.php b/Admin/Installer.php
index 444605d..2d6129d 100755
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -51,7 +51,7 @@ final class Installer extends InstallerAbstract
      */
     private static function installDefaultColors(ModuleInfo $info, SettingsInterface $cfgHandler) : void
     {
-    	$setting = new Setting();
+        $setting = new Setting();
         SettingMapper::create($setting->with(0, '1007500001', '#ff000000;#ff00ff00;#ffffffff', 'Tag'));
     }
 }
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 52ffb75..f5feb9b 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -93,7 +93,7 @@ final class ApiController extends Controller
     {
         /** @var Tag $tag */
         $tag = TagMapper::get((int) $request->getData('id'));
-        $tag->setTitle((string) ($request->getData('title') ?? $tag->getTitle()));
+        $tag->setL11n((string) ($request->getData('title') ?? $tag->getL11n()));
         $tag->color = \str_pad($request->getData('color') ?? $tag->color, 9, 'ff', \STR_PAD_RIGHT);
 
         return $tag;
diff --git a/Models/Tag.php b/Models/Tag.php
index 36c0584..6ccde22 100755
--- a/Models/Tag.php
+++ b/Models/Tag.php
@@ -161,13 +161,13 @@ class Tag implements \JsonSerializable, ArrayableInterface
      *
      * @since 1.0.0
      */
-    public function setL11n($title, string $lang = ISO639x1Enum::_EN) : void
+    public function setL11n(string|TagL11n $title, string $lang = ISO639x1Enum::_EN) : void
     {
         if ($title instanceof TagL11n) {
             $this->title = $title;
-        } elseif ($this->title instanceof TagL11n && \is_string($title)) {
+        } elseif ($this->title instanceof TagL11n) {
             $this->title->title = $title;
-        } elseif (\is_string($title)) {
+        } else {
             $this->title        = new TagL11n();
             $this->title->title = $title;
             $this->title->setLanguage($lang);
diff --git a/composer.json b/composer.json
index 8f2fb6d..7ad134b 100755
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     ],
     "require-dev": {
         "phpunit/phpunit": ">=9.4",
-        "friendsofphp/php-cs-fixer": ">=2.18",
+        "friendsofphp/php-cs-fixer": ">=3.0",
         "squizlabs/php_codesniffer": ">=3.5",
         "phpmd/phpmd": ">=2.9",
         "phpstan/phpstan": ">=0.12.58",