diff --git a/config/queue.php b/config/queue.php
index 4f689e9c..714d91ee 100644
--- a/config/queue.php
+++ b/config/queue.php
@@ -36,7 +36,7 @@ return [
 
         'database' => [
             'driver' => 'database',
-            'connection' => env('DB_QUEUE_CONNECTION', null),
+            'connection' => env('DB_QUEUE_CONNECTION'),
             'table' => env('DB_QUEUE_TABLE', 'jobs'),
             'queue' => env('DB_QUEUE', 'default'),
             'retry_after' => env('DB_QUEUE_RETRY_AFTER', 90),