diff --git a/src/Heartbeat.php b/src/Heartbeat.php
index a95980f..b998b0f 100644
--- a/src/Heartbeat.php
+++ b/src/Heartbeat.php
@@ -37,7 +37,7 @@ public function send(string $slug, int $minutes = 1): void
 
         $config = config('butler.health.heartbeat');
 
-        if ($config['driver'] ?? null === 'log') {
+        if (data_get($config, 'driver') === 'log') {
             Log::info('heartbeat', ['url' => $url]);
 
             return;