diff --git a/exec/lib/Settings.php b/exec/lib/Settings.php
index fbdf9af..5407cf3 100644
--- a/exec/lib/Settings.php
+++ b/exec/lib/Settings.php
@@ -48,7 +48,7 @@ final class Settings
     public static function defaults(): array
     {
         return [
-            'DEFAULT_PLUGIN_LANGUAGE' => 'en',
+            'DEFAULT_PLUGIN_LANGUAGE' => 'pl',
             'DEFAULT_ENABLE' => 'true',
             'GLOBAL_AUTORESPONDER_TIMEZONE' => 'Europe/Warsaw',
             'GLOBAL_AUTORESPONDER_BACKEND' => 'da',
@@ -79,8 +79,8 @@ final class Settings
 
     public function defaultLanguage(): string
     {
-        $lang = strtolower($this->getString('DEFAULT_PLUGIN_LANGUAGE', 'en'));
-        return preg_match('/^[a-z]{2}$/', $lang) ? $lang : 'en';
+        $lang = strtolower($this->getString('DEFAULT_PLUGIN_LANGUAGE', 'pl'));
+        return preg_match('/^[a-z]{2}$/', $lang) ? $lang : 'pl';
     }
 
     public function defaultEnable(): bool
diff --git a/plugin-settings.conf b/plugin-settings.conf
index 8ddabf1..4014c53 100644
--- a/plugin-settings.conf
+++ b/plugin-settings.conf
@@ -1,5 +1,5 @@
 # Domyślny język pluginu, gdy język użytkownika DirectAdmin nie jest obsługiwany.
-DEFAULT_PLUGIN_LANGUAGE=en
+DEFAULT_PLUGIN_LANGUAGE=pl
 
 # Czy plugin jest domyślnie dostępny dla wszystkich użytkowników.
 # true = dostępny dla każdego użytkownika, false = wymaga indywidualnego włączenia.
diff --git a/plugin.conf b/plugin.conf
index 7ee32fd..9fe7d1b 100644
--- a/plugin.conf
+++ b/plugin.conf
@@ -2,6 +2,6 @@ name=global-autoresponder
 id=global-autoresponder
 type=user
 author=HITME.PL
-version=1.0.3
+version=1.0.4
 active=no
 installed=no
diff --git a/tests/lang_test.php b/tests/lang_test.php
index b63f536..aedb58e 100644
--- a/tests/lang_test.php
+++ b/tests/lang_test.php
@@ -18,3 +18,17 @@ test('language falls back to default language then English', function (): void {
     $lang = Lang::load('fr', $settings);
     assert_same('en', $lang->code());
 });
+
+test('user language has priority and default language is only fallback', function (): void {
+    $settingsPath = TEST_TMP . '/lang-priority-settings.conf';
+    test_write($settingsPath, "DEFAULT_PLUGIN_LANGUAGE=pl\n");
+    $settings = Settings::load($settingsPath);
+
+    $lang = Lang::load('en', $settings);
+    assert_same('en', $lang->code());
+    assert_same('Global autoresponders', $lang->t('Global autoresponders'));
+
+    $lang = Lang::load('fr', $settings);
+    assert_same('pl', $lang->code());
+    assert_same('Globalne autorespondery', $lang->t('Global autoresponders'));
+});