From a95da742d485a00d77fe0dcbe7243703d4fc6618 Mon Sep 17 00:00:00 2001
From: Evan Broder <evan@stripe.com>
Date: Wed, 1 May 2013 15:02:34 -0700
Subject: [PATCH] Pass the customer-specific API key when getting the upcoming
 invoice

---
 lib/stripe/customer.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/stripe/customer.rb b/lib/stripe/customer.rb
index 887114de..e49d95ff 100644
--- a/lib/stripe/customer.rb
+++ b/lib/stripe/customer.rb
@@ -18,7 +18,7 @@ module Stripe
     end
 
     def upcoming_invoice
-      Invoice.upcoming({ :customer => id })
+      Invoice.upcoming({ :customer => id }, @api_key)
     end
 
     def charges