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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 ec8b7c8..c1aa738 100644
--- a/lib/unicorn/http_response.rb
+++ b/lib/unicorn/http_response.rb
@@ -39,7 +39,7 @@ module Unicorn::HttpResponse
         else
           if value.include?("\n".freeze)
             # avoiding blank, key-only cookies with /\n+/
-            buf << value.split(/\n+/).map! { |v| "#{key}: #{v}\r\n" }.join
+            value.split(/\n+/).each { |v| buf << "#{key}: #{v}\r\n" }
           else
             buf << "#{key}: #{value}\r\n"
           end