diff --git a/src/PubSub/Drivers/RedisClient.php b/src/PubSub/Drivers/RedisClient.php
index e3faa75..672ce84 100644
--- a/src/PubSub/Drivers/RedisClient.php
+++ b/src/PubSub/Drivers/RedisClient.php
@@ -257,7 +257,7 @@ class RedisClient implements ReplicationInterface
      */
     protected function getConnectionUri()
     {
-        $name = config('websockets.replication.redis.connection') ?? 'default';
+        $name = config('websockets.replication.redis.connection') ?: 'default';
         $config = config('database.redis')[$name];
 
         $host = $config['host'];
diff --git a/src/WebSocketsServiceProvider.php b/src/WebSocketsServiceProvider.php
index 4a031e7..cbed590 100644
--- a/src/WebSocketsServiceProvider.php
+++ b/src/WebSocketsServiceProvider.php
@@ -57,13 +57,13 @@ class WebSocketsServiceProvider extends ServiceProvider
 
     protected function configurePubSub()
     {
-        if (config('websockets.replication.driver') === 'local') {
+        if (config('websockets.replication.driver', 'local') === 'local') {
             $this->app->singleton(ReplicationInterface::class, function () {
                 return new LocalClient;
             });
         }
 
-        if (config('websockets.replication.driver') === 'redis') {
+        if (config('websockets.replication.driver', 'local') === 'redis') {
             $this->app->singleton(ReplicationInterface::class, function () {
                 return (new RedisClient)->boot($this->loop ?? LoopFactory::create());
             });