diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b842712..a819f5b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,9 @@ jobs:
       - uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          extensions: redis
+          extensions: redis, igbinary
+        env:
+          REDIS_CONFIGURE_OPTS: --enable-redis --enable-redis-igbinary
 
       - name: Start Redis
         uses: supercharge/redis-github-action@1.2.0
diff --git a/src/Kdyby/Redis/DI/Config/ClientSchema.php b/src/Kdyby/Redis/DI/Config/ClientSchema.php
index a936862..85c5bb6 100644
--- a/src/Kdyby/Redis/DI/Config/ClientSchema.php
+++ b/src/Kdyby/Redis/DI/Config/ClientSchema.php
@@ -15,6 +15,10 @@ public function __construct(\Nette\DI\ContainerBuilder $builder)
 
 	public function normalize($value, \Nette\Schema\Context $context)
 	{
+		if (\is_bool($value)) {
+			return $value;
+		}
+
 		$value = $this->getSchema()->normalize($value, $context);
 
 		if (\array_key_exists('host', $value) && $value['host'][0] === '/') {
@@ -36,7 +40,9 @@ public function merge($value, $base)
 
 	public function complete($value, \Nette\Schema\Context $context)
 	{
-		$value = $this->expandParameters($value);
+		if ( ! \is_bool($value)) {
+			$value = $this->expandParameters($value);
+		}
 
 		$value = $this->getSchema()->complete($value, $context);
 
@@ -75,7 +81,7 @@ private function getSchema(): \Nette\Schema\Schema
 			'lockAcquireTimeout' => \Nette\Schema\Expect::bool(FALSE),
 			'debugger' => \Nette\Schema\Expect::bool($this->builder->parameters['debugMode']),
 			'versionCheck' => \Nette\Schema\Expect::bool(TRUE),
-		]);
+		])->castTo('array');
 	}
 
 }
diff --git a/src/Kdyby/Redis/DI/Config/RedisSchema.php b/src/Kdyby/Redis/DI/Config/RedisSchema.php
index 1e605ff..c90d43a 100644
--- a/src/Kdyby/Redis/DI/Config/RedisSchema.php
+++ b/src/Kdyby/Redis/DI/Config/RedisSchema.php
@@ -82,10 +82,15 @@ private function expandParameters(array $config): array
 	private function getSchema(): \Nette\Schema\Schema
 	{
 		if ($this->schema === NULL) {
+			$storageSchema = \Nette\Schema\Expect::structure([
+				'locks' => \Nette\Schema\Expect::bool(TRUE),
+			])->castTo('array');
+			$sessionClientSchema = new \Kdyby\Redis\DI\Config\SessionClientSchema($this->builder);
+
 			$this->schema = \Nette\Schema\Expect::structure([
 				'journal' => \Nette\Schema\Expect::bool(FALSE),
-				'storage' => \Nette\Schema\Expect::bool(FALSE),
-				'session' => \Nette\Schema\Expect::bool(FALSE),
+				'storage' => \Nette\Schema\Expect::anyOf($storageSchema, TRUE, FALSE)->default(FALSE),
+				'session' => \Nette\Schema\Expect::anyOf($sessionClientSchema, TRUE, FALSE)->default(FALSE),
 				'clients' => \Nette\Schema\Expect::arrayOf(
 					new \Kdyby\Redis\DI\Config\ClientSchema($this->builder)
 				)->default([
@@ -103,7 +108,7 @@ private function getSchema(): \Nette\Schema\Schema
 						'versionCheck' => TRUE,
 					],
 				]),
-			]);
+			])->castTo('array');
 		}
 
 		return $this->schema;
diff --git a/src/Kdyby/Redis/DI/Config/SessionClientSchema.php b/src/Kdyby/Redis/DI/Config/SessionClientSchema.php
new file mode 100644
index 0000000..0b5a719
--- /dev/null
+++ b/src/Kdyby/Redis/DI/Config/SessionClientSchema.php
@@ -0,0 +1,90 @@
+<?php declare(strict_types = 1);
+
+namespace Kdyby\Redis\DI\Config;
+
+class SessionClientSchema implements \Nette\Schema\Schema
+{
+
+	private \Nette\DI\ContainerBuilder $builder;
+
+
+	public function __construct(\Nette\DI\ContainerBuilder $builder)
+	{
+		$this->builder = $builder;
+	}
+
+	public function normalize($value, \Nette\Schema\Context $context)
+	{
+		if (\is_bool($value)) {
+			return $value;
+		}
+
+		$value = $this->getSchema()->normalize($value, $context);
+
+		if (\array_key_exists('host', $value) && $value['host'][0] === '/') {
+			$value['port'] = NULL; // sockets have no ports
+
+		} elseif ( ! \array_key_exists('port', $value)) {
+			$value['port'] = \Kdyby\Redis\RedisClient::DEFAULT_PORT;
+		}
+
+		return $value;
+	}
+
+
+	public function merge($value, $base)
+	{
+		return \Nette\Schema\Helpers::merge($value, $base);
+	}
+
+
+	public function complete($value, \Nette\Schema\Context $context)
+	{
+		if ( ! \is_bool($value)) {
+			$value = $this->expandParameters($value);
+		}
+
+		$value = $this->getSchema()->complete($value, $context);
+
+		return $value;
+	}
+
+
+	public function completeDefault(\Nette\Schema\Context $context)
+	{
+
+	}
+
+	private function expandParameters(array $config): array
+	{
+		$params = $this->builder->parameters;
+		if (isset($config['parameters'])) {
+			foreach ((array) $config['parameters'] as $k => $v) {
+				$v = \explode(' ', \is_int($k) ? $v : $k);
+				$params[\end($v)] = $this->builder::literal('$' . \end($v));
+			}
+		}
+		return \Nette\DI\Helpers::expand($config, $params);
+	}
+
+	private function getSchema(): \Nette\Schema\Schema
+	{
+		return \Nette\Schema\Expect::structure([
+			'host' => \Nette\Schema\Expect::string('127.0.0.1'),
+			'port' => \Nette\Schema\Expect::int()->nullable(),
+			'timeout' => \Nette\Schema\Expect::int(10),
+			'database' => \Nette\Schema\Expect::int(0),
+			'auth' => \Nette\Schema\Expect::string()->nullable(),
+			'persistent' => \Nette\Schema\Expect::bool(FALSE),
+			'connectionAttempts' => \Nette\Schema\Expect::int(1),
+			'lockDuration' => \Nette\Schema\Expect::int(15),
+			'lockAcquireTimeout' => \Nette\Schema\Expect::bool(FALSE),
+			'debugger' => \Nette\Schema\Expect::bool(FALSE),
+			'versionCheck' => \Nette\Schema\Expect::bool(TRUE),
+			'native' => \Nette\Schema\Expect::bool(TRUE),
+			'prefix' => \Nette\Schema\Expect::string(\Kdyby\Redis\DI\RedisExtension::DEFAULT_SESSION_PREFIX),
+			'weight' => \Nette\Schema\Expect::int(1),
+		])->castTo('array');
+	}
+
+}
diff --git a/src/Kdyby/Redis/DI/RedisExtension.php b/src/Kdyby/Redis/DI/RedisExtension.php
index 794cdd6..c0f1e9e 100644
--- a/src/Kdyby/Redis/DI/RedisExtension.php
+++ b/src/Kdyby/Redis/DI/RedisExtension.php
@@ -19,9 +19,9 @@ class RedisExtension extends \Nette\DI\CompilerExtension
 	private const PANEL_COUNT_MODE = 'count';
 
 	/**
-	 * @var array
+	 * @var array<string, array<string, mixed>>
 	 */
-	private $configuredClients = [];
+	private array $configuredClients = [];
 
 
 	public function getConfigSchema(): \Nette\Schema\Schema
@@ -32,10 +32,11 @@ public function getConfigSchema(): \Nette\Schema\Schema
 
 	public function loadConfiguration(): void
 	{
-		$this->configuredClients = [];
-
 		$builder = $this->getContainerBuilder();
-		$config = (array) $this->getConfig();
+		$config = $this->getConfig();
+
+		// we need to register default client before session is processed
+		$this->buildClient(NULL, $config['clients']['']);
 
 		$phpRedisDriverClass = \Kdyby\Redis\Driver\PhpRedisDriver::class;
 
@@ -47,8 +48,9 @@ public function loadConfiguration(): void
 		$this->loadStorage($config);
 		$this->loadSession($config);
 
+		unset($config['clients']['']);
 		foreach ($config['clients'] as $name => $clientConfig) {
-			$this->buildClient($name, (array) $clientConfig);
+			$this->buildClient($name, $clientConfig);
 		}
 	}
 
@@ -164,19 +166,19 @@ protected function loadSession(array $config): void
 		$clientConfig = $config['clients'][NULL];
 
 		$sessionConfig = \Nette\DI\Config\Helpers::merge(\is_array($config['session']) ? $config['session'] : [], [
-			'host' => $clientConfig->host,
-			'port' => $clientConfig->port,
+			'host' => $clientConfig['host'],
+			'port' => $clientConfig['port'],
 			'weight' => 1,
-			'timeout' => $clientConfig->timeout,
-			'database' => $clientConfig->database,
+			'timeout' => $clientConfig['timeout'],
+			'database' => $clientConfig['database'],
 			'prefix' => self::DEFAULT_SESSION_PREFIX,
-			'auth' => $clientConfig->auth,
+			'auth' => $clientConfig['auth'],
 			'native' => TRUE,
-			'lockDuration' => $clientConfig->lockDuration,
-			'lockAcquireTimeout' => $clientConfig->lockAcquireTimeout,
-			'connectionAttempts' => $clientConfig->connectionAttempts,
-			'persistent' => $clientConfig->persistent,
-			'versionCheck' => $clientConfig->versionCheck,
+			'lockDuration' => $clientConfig['lockDuration'],
+			'lockAcquireTimeout' => $clientConfig['lockAcquireTimeout'],
+			'connectionAttempts' => $clientConfig['connectionAttempts'],
+			'persistent' => $clientConfig['persistent'],
+			'versionCheck' => $clientConfig['versionCheck'],
 		]);
 
 		$sessionConfig['debugger'] = FALSE;
diff --git a/tests/KdybyTests/Redis/ExtensionTest.phpt b/tests/KdybyTests/Redis/ExtensionTest.phpt
index cdf6dfe..74573a5 100644
--- a/tests/KdybyTests/Redis/ExtensionTest.phpt
+++ b/tests/KdybyTests/Redis/ExtensionTest.phpt
@@ -133,6 +133,18 @@ class ExtensionTest extends \Tester\TestCase
 		Assert::false($dic->hasService('redis.cacheStorage'));
 	}
 
+	public function testSessionConfiguration(): void
+	{
+		$config = $this->createConfig();
+		$config->addConfig(__DIR__ . '/files/session.neon');
+		$dic = $config->createContainer();
+		Assert::true($dic->getService('redis.client') instanceof Kdyby\Redis\RedisClient);
+		Assert::true($dic->hasService('redis.sessionHandler'));
+		Assert::type(\Kdyby\Redis\RedisSessionHandler::class, $dic->getService('redis.sessionHandler'));
+		Assert::false($dic->hasService('redis.cacheJournal'));
+		Assert::false($dic->hasService('redis.cacheStorage'));
+	}
+
 }
 
 (new ExtensionTest())->run();
diff --git a/tests/KdybyTests/Redis/files/session.neon b/tests/KdybyTests/Redis/files/session.neon
new file mode 100644
index 0000000..86273bb
--- /dev/null
+++ b/tests/KdybyTests/Redis/files/session.neon
@@ -0,0 +1,7 @@
+redis:
+	journal: false
+	storage: false
+	session:
+		database: 1
+		native: false
+	versionCheck: false