diff --git a/src/Payment.php b/src/Payment.php
index 29eec38..788ec44 100644
--- a/src/Payment.php
+++ b/src/Payment.php
@@ -185,7 +185,7 @@ public function via($driver)
         $this->driver = $driver;
         $this->validateDriver();
         $this->invoice->via($driver);
-        $this->settings = $this->config['drivers'][$driver];
+        $this->settings = array_merge($this->loadDefaultConfig()['drivers'][$driver] ?? [], $this->config['drivers'][$driver]);
 
         return $this;
     }