1 files changed, 2 insertions, 1 deletions
diff --git a/lib/unicorn/header_out.rb b/lib/unicorn/header_out.rb
index b0f66b9..95f2633 100644
--- a/lib/unicorn/header_out.rb
+++ b/lib/unicorn/header_out.rb
@@ -15,13 +15,14 @@ module Unicorn
      }.freeze
  
      def initialize
-      @sent = {}
+      @sent = { Const::CONNECTION => true }
        @out = []
      end
  
      def reset!
        @sent.clear
        @out.clear
+      @sent[Const::CONNECTION] = true
      end
  
      def merge!(hash)