diff --git a/tests/ORM/Driver/Postgres/SequenceDefaultValueTest.php b/tests/ORM/Driver/Postgres/SequenceDefaultValueTest.php
new file mode 100644
index 000000000..5c1be200f
--- /dev/null
+++ b/tests/ORM/Driver/Postgres/SequenceDefaultValueTest.php
@@ -0,0 +1,96 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Cycle\ORM\Tests\Driver\Postgres;
+
+use Cycle\ORM\Heap\Heap;
+use Cycle\ORM\Schema;
+use Cycle\ORM\Select;
+use Cycle\ORM\Tests\BaseTest;
+use Cycle\ORM\Tests\Fixtures\NotDeletedConstrain;
+use Cycle\ORM\Tests\Fixtures\SequenceDefaultValueMapper;
+use Cycle\ORM\Tests\Fixtures\User;
+use Cycle\ORM\Tests\Traits\TableTrait;
+use Cycle\ORM\Transaction;
+
+class SequenceDefaultValueTest extends BaseTest
+{
+    use TableTrait;
+
+    public const DRIVER = 'postgres';
+
+    public function setUp(): void
+    {
+        parent::setUp();
+
+        $this->clearSequence();
+        $this->createSequence();
+
+        $this->makeTable(
+            'user',
+            [
+                'id' => 'primary',
+                'email' => 'string',
+                'balance' => 'float',
+                'user_code' => 'int',
+                'deleted_at' => 'datetime,null',
+            ]
+        );
+
+        $this->orm = $this->withSchema(
+            new Schema(
+                [
+                    User::class => [
+                        Schema::ROLE => 'user',
+                        Schema::MAPPER => SequenceDefaultValueMapper::class,
+                        Schema::DATABASE => 'default',
+                        Schema::TABLE => 'user',
+                        Schema::PRIMARY_KEY => 'id',
+                        Schema::COLUMNS => ['id', 'email', 'balance', 'user_code', 'deleted_at'],
+                        Schema::TYPECAST => [
+                            'id' => 'int',
+                            'balance' => 'float',
+                            'user_code' => 'int',
+                            'deleted_at' => 'datetime'
+                        ],
+                        Schema::SCHEMA => [],
+                        Schema::RELATIONS => [],
+                        Schema::CONSTRAIN => NotDeletedConstrain::class
+                    ]
+                ]
+            )
+        );
+    }
+
+    public function tearDown(): void
+    {
+        $this->clearSequence();
+
+        parent::tearDown();
+    }
+
+    public function testCreate(): void
+    {
+        $u = new User();
+        $u->email = 'test@email.com';
+        $u->balance = 199;
+
+        (new Transaction($this->orm))->persist($u)->run();
+
+        $s = new Select($this->orm->withHeap(new Heap()), User::class);
+        $data = $s->fetchData();
+
+        $this->assertIsInt($data[0]['user_code']);
+    }
+
+    private function createSequence(): void
+    {
+        $this->getDatabase()->query('CREATE SEQUENCE user_code_seq INCREMENT 1 START 1 MINVALUE 1');
+    }
+
+    private function clearSequence(): void
+    {
+        $this->getDatabase()->execute('DROP SEQUENCE IF EXISTS user_code_seq CASCADE');
+    }
+}
diff --git a/tests/ORM/Fixtures/SequenceDefaultValueMapper.php b/tests/ORM/Fixtures/SequenceDefaultValueMapper.php
new file mode 100644
index 000000000..bccf861da
--- /dev/null
+++ b/tests/ORM/Fixtures/SequenceDefaultValueMapper.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Cycle\ORM\Tests\Fixtures;
+
+use Cycle\ORM\Command\ContextCarrierInterface;
+use Cycle\ORM\Heap\Node;
+use Cycle\ORM\Heap\State;
+use Cycle\ORM\Mapper\Mapper;
+use Spiral\Database\Injection\Fragment;
+
+class SequenceDefaultValueMapper extends Mapper
+{
+    public function queueCreate($entity, Node $node, State $state): ContextCarrierInterface
+    {
+        $command = parent::queueCreate($entity, $node, $state);
+
+        $command->register('user_code', new Fragment('nextval(\'user_code_seq\')'), true);
+
+        return $command;
+    }
+}
diff --git a/tests/ORM/Fixtures/User.php b/tests/ORM/Fixtures/User.php
index 3c2dc60ff..73f032981 100644
--- a/tests/ORM/Fixtures/User.php
+++ b/tests/ORM/Fixtures/User.php
@@ -20,6 +20,7 @@ class User implements ImagedInterface
     public $id;
     public $email;
     public $balance;
+    public $user_code;
 
     /** @var Profile */
     public $profile;