diff --git a/Console/Command/Clear.php b/Console/Command/Clear.php
index 432930d..5403477 100644
--- a/Console/Command/Clear.php
+++ b/Console/Command/Clear.php
@@ -29,6 +29,7 @@ class Clear extends Command
     /** @var ProgressBarFactory */
     private $progressBarFactory;
 
+    // phpcs:ignore
     public function __construct(
         ConfirmationQuestionFactory $confirmationQuestionFactory,
         CoreHelper $coreHelper,
@@ -45,7 +46,9 @@ public function __construct(
         $this->progressBarFactory = $progressBarFactory;
     }
 
-    /** @inheritDoc */
+    /**
+     * @inheritDoc
+     */
     protected function configure()
     {
         $this->setName('discorgento:queue:clear');
@@ -54,14 +57,18 @@ protected function configure()
         parent::configure();
     }
 
-    /** @inheritDoc */
+    /**
+     * @inheritDoc
+     */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
         $messages = $this->messagesCollectionFactory->create();
 
         $totalMessages = $messages->getSize();
         if ($totalMessages < 1) {
-            return $output->writeln("<error>There's no pending jobs.</error>");
+            $output->writeln("<error>There's no pending jobs.</error>");
+
+            return self::SUCCESS;
         }
 
         if ($this->coreHelper->isProductionMode()) {
@@ -89,5 +96,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         }
 
         $output->writeln(PHP_EOL . '<info>Done.</info>');
+
+        return self::SUCCESS;
     }
 }
diff --git a/Console/Command/Execute.php b/Console/Command/Execute.php
index 9a0f62a..4fec5ab 100644
--- a/Console/Command/Execute.php
+++ b/Console/Command/Execute.php
@@ -17,6 +17,7 @@ class Execute extends Command
     /** @var ProgressBarFactory */
     private $progressBarFactory;
 
+    // phpcs:ignore
     public function __construct(
         MessageManagementInterface $messageManagement,
         ProgressBarFactory $progressBarFactory,
@@ -27,7 +28,9 @@ public function __construct(
         $this->progressBarFactory = $progressBarFactory;
     }
 
-    /** @inheritDoc */
+    /**
+     * @inheritDoc
+     */
     protected function configure()
     {
         $this->setName('discorgento:queue:execute');
@@ -36,14 +39,18 @@ protected function configure()
         parent::configure();
     }
 
-    /** @inheritDoc */
+    /**
+     * @inheritDoc
+     */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
         $pendingMessages = $this->messageManagement->getPending();
 
         $totalMessages = $pendingMessages->getTotalCount();
         if ($totalMessages < 1) {
-            return $output->writeln("There's no pending jobs.");
+            $output->writeln("There's no pending jobs.");
+
+            return self::SUCCESS;
         }
 
         $output->writeln('Executing the jobs in queue..');
@@ -62,5 +69,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         $progressBar->finish();
         $output->writeln(PHP_EOL . '<info>Done.</info>');
+
+        return self::SUCCESS;
     }
 }
diff --git a/Console/Command/Retry.php b/Console/Command/Retry.php
index d9702ab..b6162d5 100644
--- a/Console/Command/Retry.php
+++ b/Console/Command/Retry.php
@@ -17,6 +17,7 @@ class Retry extends Command
     /** @var ProgressBarFactory */
     private $progressBarFactory;
 
+    // phpcs:ignore
     public function __construct(
         MessageManagementInterface $messageManagement,
         ProgressBarFactory $progressBarFactory,
@@ -27,7 +28,9 @@ public function __construct(
         $this->progressBarFactory = $progressBarFactory;
     }
 
-    /** @inheritDoc */
+    /**
+     * @inheritDoc
+     */
     protected function configure()
     {
         $this->setName('discorgento:queue:retry');
@@ -36,14 +39,18 @@ protected function configure()
         parent::configure();
     }
 
-    /** @inheritDoc */
+    /**
+     * @inheritDoc
+     */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
         $failedJobs = $this->messageManagement->getToBeRetried();
 
         $totalMessages = count($failedJobs);
         if ($totalMessages < 1) {
-            return $output->writeln("There's no jobs waiting to be retried.");
+            $output->writeln("There's no jobs waiting to be retried.");
+
+            return self::SUCCESS;
         }
 
         $output->writeln('Retrying the failed jobs..');
@@ -61,5 +68,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         $progressBar->finish();
         $output->writeln(PHP_EOL . '<info>Done.</info>');
+
+        return self::SUCCESS;
     }
 }