diff --git a/BusServiceProvider.php b/BusServiceProvider.php
index 4031e15..ae0c362 100644
--- a/BusServiceProvider.php
+++ b/BusServiceProvider.php
@@ -69,10 +69,10 @@ protected function registerBatchServices()
             ];
 
             if (! empty($config['key']) && ! empty($config['secret'])) {
-                $dynamoConfig['credentials'] = Arr::only(
-                    $config,
-                    ['key', 'secret', 'token']
-                );
+                $dynamoConfig['credentials'] = Arr::only($config, ['key', 'secret']);
+                if (! empty($config['token'])) {
+                    $dynamoConfig['credentials']['token'] = $config['token'];
+                }
             }
 
             return new DynamoBatchRepository(