diff --git a/src/DI/TranslationExtension.php b/src/DI/TranslationExtension.php
index f60e3c05..5178400c 100644
--- a/src/DI/TranslationExtension.php
+++ b/src/DI/TranslationExtension.php
@@ -127,7 +127,7 @@ public function loadConfiguration()
 		$config['cache'] = new Statement($config['cache'], [dirname(Helpers::expand('%tempDir%/cache', $builder->parameters))]);
 
 		$translator = $builder->addDefinition($this->prefix('default'))
-			->setFactory(KdybyTranslator::class, [$this->prefix('@userLocaleResolver'), $config['default']])
+			->setFactory(KdybyTranslator::class, [$this->prefix('@userLocaleResolver')])
 			->addSetup('?->setTranslator(?)', [$this->prefix('@userLocaleResolver.param'), '@self'])
 			->addSetup('setDefaultLocale', [$config['default']])
 			->addSetup('setLocaleWhitelist', [$config['whitelist']]);
diff --git a/src/Translator.php b/src/Translator.php
index 3f4ebe26..9dc44648 100644
--- a/src/Translator.php
+++ b/src/Translator.php
@@ -76,7 +76,6 @@ class Translator extends \Symfony\Component\Translation\Translator implements \K
 
 	/**
 	 * @param \Kdyby\Translation\IUserLocaleResolver $localeResolver
-	 * @param string $locale
 	 * @param \Symfony\Component\Translation\Formatter\MessageFormatterInterface $formatter
 	 * @param \Kdyby\Translation\CatalogueCompiler $catalogueCompiler
 	 * @param \Kdyby\Translation\FallbackResolver $fallbackResolver
@@ -85,7 +84,6 @@ class Translator extends \Symfony\Component\Translation\Translator implements \K
 	 */
 	public function __construct(
 		IUserLocaleResolver $localeResolver,
-		string $locale,
 		MessageFormatterInterface $formatter,
 		CatalogueCompiler $catalogueCompiler,
 		FallbackResolver $fallbackResolver,
@@ -98,7 +96,7 @@ public function __construct(
 		$this->fallbackResolver = $fallbackResolver;
 		$this->translationsLoader = $loader;
 
-		parent::__construct($locale, $formatter);
+		parent::__construct('', $formatter);
 	}
 
 	/**
@@ -351,7 +349,7 @@ public function setLocale($locale)
 	 */
 	public function getLocale()
 	{
-		if (parent::getLocale() === NULL) {
+		if (parent::getLocale() === '') {
 			$this->setLocale($this->localeResolver->resolve($this));
 		}