diff --git a/src/N98/Magento/Command/Config/DeleteCommand.php b/src/N98/Magento/Command/Config/DeleteCommand.php
index b05e34ab3..e391a018e 100644
--- a/src/N98/Magento/Command/Config/DeleteCommand.php
+++ b/src/N98/Magento/Command/Config/DeleteCommand.php
@@ -98,7 +98,7 @@ protected function _deletePath(InputInterface $input, string $path, int $scopeId
 
             // Delete stores
             foreach (Mage::app()->getStores($force) as $store) {
-                $deleted[] = $this->deleteConfigEntry($path, 'stores', $store->getId());
+                $deleted[] = $this->deleteConfigEntry($path, 'stores', (int) $store->getId());
             }
         } else {
             $deleted[] = $this->deleteConfigEntry($path, $input->getOption('scope'), $scopeId);
diff --git a/tests/N98/Magento/Command/Database/DumpCommandTest.php b/tests/N98/Magento/Command/Database/DumpCommandTest.php
index 8002853e3..700fe5e51 100644
--- a/tests/N98/Magento/Command/Database/DumpCommandTest.php
+++ b/tests/N98/Magento/Command/Database/DumpCommandTest.php
@@ -11,7 +11,7 @@
 use Symfony\Component\Console\Tester\CommandTester;
 
 /**
- * @see \N98\Magento\Command\Database\DumpCommand
+ * @see DumpCommand
  */
 final class DumpCommandTest extends TestCase
 {
diff --git a/tests/N98/Magento/Command/Developer/Module/Rewrite/ClassExistsCheckerTest.php b/tests/N98/Magento/Command/Developer/Module/Rewrite/ClassExistsCheckerTest.php
index 34eeacc22..63e773bf4 100644
--- a/tests/N98/Magento/Command/Developer/Module/Rewrite/ClassExistsCheckerTest.php
+++ b/tests/N98/Magento/Command/Developer/Module/Rewrite/ClassExistsCheckerTest.php
@@ -28,7 +28,7 @@ final class ClassExistsCheckerTest extends TestCase
     /**
      * @var array
      */
-    private $cleanup = [];
+    private array $cleanup = [];
 
     protected function tearDown(): void
     {
@@ -190,10 +190,10 @@ private function getAutoloader()
     private function noErrorExceptions($includeIni = true)
     {
         $displayErrorsOrig = ini_get('display_errors');
-        $includeIni && ini_set('display_errors', false);
+        $includeIni && ini_set('display_errors', '0');
 
         $logErrorsOrig = ini_get('log_errors');
-        $includeIni && ini_set('log_errors', false);
+        $includeIni && ini_set('log_errors', '0');
 
         $restore = function () use ($displayErrorsOrig, $logErrorsOrig): void {
             ini_set('display_errors', $displayErrorsOrig);
diff --git a/tests/N98/Util/Console/Helper/DatabaseHelperTest.php b/tests/N98/Util/Console/Helper/DatabaseHelperTest.php
index bba9623e9..14bc1d6f8 100644
--- a/tests/N98/Util/Console/Helper/DatabaseHelperTest.php
+++ b/tests/N98/Util/Console/Helper/DatabaseHelperTest.php
@@ -92,7 +92,7 @@ public function testGetMysqlVariable()
         // behavior with existent session variable (INTEGER)
         $databaseHelper->getConnection()->query('SET @existent = 14;');
         $actual = $databaseHelper->getMysqlVariable('existent', '@');
-        $this->assertSame(14, $actual);
+        $this->assertSame('14', $actual);
 
         // behavior with non-existent session variable
         $actual = $databaseHelper->getMysqlVariable('nonexistent', '@');