diff --git a/src/StripeConnect.php b/src/StripeConnect.php
index b77dddd..38f7ec2 100644
--- a/src/StripeConnect.php
+++ b/src/StripeConnect.php
@@ -13,7 +13,7 @@ class StripeConnect
 
     private static function prepare()
     {
-        StripeBase::setApiKey(config('stripe.key'));
+        StripeBase::setApiKey(config('services.stripe.secret'));
     }
 
     private static function getStripeModel($user)
diff --git a/src/Transaction.php b/src/Transaction.php
index a67395a..3936e4d 100644
--- a/src/Transaction.php
+++ b/src/Transaction.php
@@ -58,6 +58,7 @@ public function create()
             "amount" => $this->value,
             "currency" => $this->currency,
             "customer" => $customer->account_id,
+            "application_fee" => $this->fee ?? null,
             "destination" => array(
                 "account" => $vendor->account_id,
             ),