From 84c2db7bfa9268200dc3a249b66403c798c3834a Mon Sep 17 00:00:00 2001
From: Zhivko Draganov <zhivko.draganov@gmail.com>
Date: Tue, 19 Jan 2016 10:35:58 +0200
Subject: [PATCH] Temporary fix for empty headers array submitted

---
 lib/mandrill/web_hook/event_decorator.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/mandrill/web_hook/event_decorator.rb b/lib/mandrill/web_hook/event_decorator.rb
index 3153fd1..54164a7 100644
--- a/lib/mandrill/web_hook/event_decorator.rb
+++ b/lib/mandrill/web_hook/event_decorator.rb
@@ -84,7 +84,10 @@ def references
   # Returns the headers Hash.
   # Applicable events: inbound
   def headers
-    msg['headers']||{}
+    return {} if msg['headers'].nil? || msg['headers'].empty?
+    return msg['headers'].first if msg['headers'].is_a? Array
+
+    msg['headers']
   end
 
   # Returns the email (String) of the sender.