1 files changed, 3 insertions, 3 deletions
diff --git a/lib/net/http.rb b/lib/net/http.rb
index 0b7e20633b..8280c6a039 100644
--- a/lib/net/http.rb
+++ b/lib/net/http.rb
@@ -944,12 +944,12 @@ module Net # :nodoc:
         connect
       end
       if @seems_1_0_server
-        req['connection'] = 'close'
+        req['connection'] ||= 'close'
       end
       if not req.response_body_permitted? and @close_on_empty_response
-        req['connection'] = 'close'
+        req['connection'] ||= 'close'
       end
-      req['host'] = addr_port()
+      req['host'] ||= addr_port()
     end
 
     def end_transport(req, res)