diff --git a/.github/workflows/grumphp.yml b/.github/workflows/grumphp.yml
index d540a3d..b5938a6 100644
--- a/.github/workflows/grumphp.yml
+++ b/.github/workflows/grumphp.yml
@@ -8,11 +8,9 @@ jobs:
       fail-fast: true
       matrix:
         php-versions:
-          - "7.4"
           - "8.1"
         dependencies:
           - "lowest"
-          - "highest"
     steps:
       -   name: Checkout repo
           uses: actions/checkout@v2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6f2764..3588d25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,4 +28,9 @@
 - 
 ## [1.3.0] - 2024-03-28
 ### Updated
-- PHP ^8.1 compatibility 
\ No newline at end of file
+- PHP ^8.1 compatibility 
+
+## [1.4.0] - 2024-06-05
+### Bugfix
+- Fix return types console commands
+- Locales are not found if set in env.php and not in core_config_table
\ No newline at end of file
diff --git a/Console/Command/Export.php b/Console/Command/Export.php
index 70e679b..2c951ed 100644
--- a/Console/Command/Export.php
+++ b/Console/Command/Export.php
@@ -42,8 +42,10 @@ protected function configure(): void
      * @param InputInterface $input
      * @param OutputInterface $output
      */
-    protected function execute(InputInterface $input, OutputInterface $output): void
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
+        $exitCode = 0;
+
         try {
             $locales = $input->getArgument(self::ARGUMENT_LOCALES);
 
@@ -61,6 +63,9 @@ protected function execute(InputInterface $input, OutputInterface $output): void
             $output->writeln('<info>Done!</info>');
         } catch (\Exception $e) {
             $output->writeln('<error>' . $e->getMessage() . '</error>');
+            $exitCode = 1;
         }
+
+        return $exitCode;
     }
 }
diff --git a/Console/Command/GenerateFrontendTranslations.php b/Console/Command/GenerateFrontendTranslations.php
index f004bbc..d48a527 100644
--- a/Console/Command/GenerateFrontendTranslations.php
+++ b/Console/Command/GenerateFrontendTranslations.php
@@ -42,8 +42,10 @@ protected function configure(): void
      * @param InputInterface $input
      * @param OutputInterface $output
      */
-    protected function execute(InputInterface $input, OutputInterface $output): void
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
+        $exitCode = 0;
+
         try {
             $storeId = (int)$input->getArgument('storeId');
             $statsCollection = $this->generatedTranslations($storeId);
@@ -62,7 +64,10 @@ protected function execute(InputInterface $input, OutputInterface $output): void
             $output->writeln('<info>Please clean full_page and block_html caches manually</info>');
         } catch (\Exception $e) {
             $output->writeln('<error>' . $e->getMessage() . '</error>');
+            $exitCode = 1;
         }
+
+        return $exitCode;
     }
 
     /**
diff --git a/Console/Command/Import.php b/Console/Command/Import.php
index 7565758..c4dec1c 100644
--- a/Console/Command/Import.php
+++ b/Console/Command/Import.php
@@ -55,8 +55,10 @@ protected function configure(): void
      * @param InputInterface $input
      * @param OutputInterface $output
      */
-    protected function execute(InputInterface $input, OutputInterface $output): void
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
+        $exitCode = 0;
+
         try {
             $csvFile = $input->getArgument(self::ARGUMENT_CSV_FILE);
             $locale = $input->getArgument(self::ARGUMENT_LOCALE);
@@ -84,6 +86,9 @@ protected function execute(InputInterface $input, OutputInterface $output): void
             $output->writeln('<info>Done!</info>');
         } catch (\Exception $e) {
             $output->writeln('<error>' . $e->getMessage() . '</error>');
+            $exitCode = 1;
         }
+
+        return $exitCode;
     }
 }
diff --git a/Console/Command/ImportFull.php b/Console/Command/ImportFull.php
index 525c913..56e5ff0 100644
--- a/Console/Command/ImportFull.php
+++ b/Console/Command/ImportFull.php
@@ -53,8 +53,10 @@ protected function configure(): void
      * @param InputInterface $input
      * @param OutputInterface $output
      */
-    protected function execute(InputInterface $input, OutputInterface $output): void
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
+        $exitCode = 0;
+
         try {
             $csvFile = $input->getArgument(self::ARGUMENT_CSV_FILE);
 
@@ -80,6 +82,9 @@ protected function execute(InputInterface $input, OutputInterface $output): void
             $output->writeln('<info>Done!</info>');
         } catch (\Exception $e) {
             $output->writeln('<error>' . $e->getMessage() . '</error>');
+            $exitCode = 1;
         }
+
+        return $exitCode;
     }
 }
diff --git a/Console/Command/PrepareKeysCommand.php b/Console/Command/PrepareKeysCommand.php
index e0bbbda..8871201 100644
--- a/Console/Command/PrepareKeysCommand.php
+++ b/Console/Command/PrepareKeysCommand.php
@@ -37,6 +37,7 @@ public function __construct(
         ResolverFactory $optionResolverFactory,
         Parser $parser,
         TranslationDataManagementInterface $translationDataManagement,
+        private readonly \Phpro\Translations\Model\Translation\Source\Locales $localeSource,
         string $name = null
     ) {
         $this->optionResolverFactory = $optionResolverFactory;
@@ -64,26 +65,35 @@ protected function configure()
      *
      * @return void
      */
-    protected function execute(InputInterface $input, OutputInterface $output): void
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
-        $phraseCollector = new PhraseCollector(new Tokenizer());
-        $adapters = [
-            'php' => new Php($phraseCollector),
-            'html' => new Html(),
-            'js' => new Js(),
-            'xml' => new Xml(),
-        ];
-        $optionResolver = $this->optionResolverFactory->create(BP, false);
-        foreach ($adapters as $type => $adapter) {
-            $this->parser->addAdapter($type, $adapter);
-        }
-        $this->parser->parse($optionResolver->getOptions());
-        $phraseList = $this->parser->getPhrases();
+        $exitCode = 0;
+
+        try {
+            $phraseCollector = new PhraseCollector(new Tokenizer());
+            $adapters = [
+                'php' => new Php($phraseCollector),
+                'html' => new Html(),
+                'js' => new Js(),
+                'xml' => new Xml(),
+            ];
+            $optionResolver = $this->optionResolverFactory->create(BP, false);
+            foreach ($adapters as $type => $adapter) {
+                $this->parser->addAdapter($type, $adapter);
+            }
+            $this->parser->parse($optionResolver->getOptions());
+            $phraseList = $this->parser->getPhrases();
+
+            foreach ($phraseList as $phrase) {
+                $this->translationDataManagement->prepare($phrase->getPhrase(), $phrase->getTranslation());
+            }
 
-        foreach ($phraseList as $phrase) {
-            $this->translationDataManagement->prepare($phrase->getPhrase(), $phrase->getTranslation());
+            $output->writeln('<info>Keys successfully created.</info>');
+        } catch (\Exception $e) {
+            $output->writeln('<error>' . $e->getMessage() . '</error>');
+            $exitCode = 1;
         }
 
-        $output->writeln('<info>Keys successfully created.</info>');
+        return $exitCode;
     }
 }
diff --git a/Model/Translation/Source/Locales.php b/Model/Translation/Source/Locales.php
index 5d08ac4..b762407 100644
--- a/Model/Translation/Source/Locales.php
+++ b/Model/Translation/Source/Locales.php
@@ -3,40 +3,31 @@
 
 namespace Phpro\Translations\Model\Translation\Source;
 
-use Magento\Framework\App\ResourceConnection;
+use Magento\Framework\App\Config\ScopeConfigInterface;
 use Magento\Framework\Data\OptionSourceInterface;
+use Magento\Store\Model\StoreManager;
 
 class Locales implements OptionSourceInterface
 {
     private const XML_PATH_LOCALE = 'general/locale/code';
 
-    /**
-     * @var ResourceConnection
-     */
-    private $resourceConnection;
-
-    public function __construct(ResourceConnection $resourceConnection)
-    {
-        $this->resourceConnection = $resourceConnection;
+    public function __construct(
+        private readonly ScopeConfigInterface $scopeConfig,
+        private readonly StoreManager $storeManager,
+    ) {
     }
 
     /**
      * @inheritDoc
      */
-    public function toOptionArray()
+    public function toOptionArray(): array
     {
-        $result = [];
-        $connection = $this->resourceConnection->getConnection();
-        $bind = [':config_path' => self::XML_PATH_LOCALE];
-        $select = $connection
-            ->select()
-            ->from($this->resourceConnection->getTableName('core_config_data'), 'value')
-            ->distinct(true)
-            ->where('path = :config_path');
-        $rowSet = $connection->fetchAll($select, $bind);
+        $stores = $this->storeManager->getStores();
 
-        foreach ($rowSet as $row) {
-            $result[] = ['value' => $row['value'], 'label' => $row['value']];
+        $result = [];
+        foreach ($stores as $store) {
+            $locale = $this->scopeConfig->getValue(self::XML_PATH_LOCALE, 'stores', $store->getId());
+            $result[] = ['value' => $locale, 'label' => $store->getName()];
         }
 
         return $result;
diff --git a/composer.json b/composer.json
index a607f2e..98bf304 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": "~7.4.0||^8.1",
+        "php": "^8.1",
         "magento/framework": "^102.0|^103.0",
         "magento/module-backend": "^101.0|^102.0",
         "magento/module-ui": "^101.0|^102.0"