diff --git a/tests/Factory/ClickhouseClientFactoryTest.php b/tests/Factory/ClickhouseClientFactoryTest.php
index 2e044a9..624e2c9 100644
--- a/tests/Factory/ClickhouseClientFactoryTest.php
+++ b/tests/Factory/ClickhouseClientFactoryTest.php
@@ -39,7 +39,7 @@ public function testInitializationWithMainConfig(): void
         $client = $clickhouse->create();
 
         self::assertSame('example.com', $client->getConnectHost());
-        self::assertSame(9000, $client->getConnectPort());
+        self::assertSame('9000', $client->getConnectPort());
         self::assertSame('test_user', $client->getConnectUsername());
         self::assertSame('secret', $client->getConnectPassword());
         self::assertSame('test_database', $client->settings()->getDatabase());