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-rw-r--r--lib/unicorn/http_response.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/unicorn/http_response.rb b/lib/unicorn/http_response.rb
index 1192d48..e67d2b3 100644
--- a/lib/unicorn/http_response.rb
+++ b/lib/unicorn/http_response.rb
@@ -44,7 +44,7 @@ module Unicorn
       out = [ "#{Const::DATE}: #{Time.now.httpdate}\r\n" ]
       sent = { Const::CONNECTION => true, Const::DATE => true }
 
-      headers.each_pair do |key, value|
+      headers.each do |key, value|
         if ! sent[key] || ALLOWED_DUPLICATES[key]
           sent[key] = true
           out << "#{key}: #{value}\r\n"