diff --git a/lib/net/http.rb b/lib/net/http.rb
index a5834412..d8863dfb 100644
--- a/lib/net/http.rb
+++ b/lib/net/http.rb
@@ -664,7 +664,7 @@ def HTTP.new(address, port = nil, p_addr = :ENV, p_port = nil, p_user = nil, p_p
       elsif p_addr == :ENV then
         http.proxy_from_env = true
       else
-        if p_addr && p_no_proxy && !URI::Generic.use_proxy?(p_addr, p_addr, p_port, p_no_proxy)
+        if p_addr && p_no_proxy && !URI::Generic.use_proxy?(address, address, port, p_no_proxy)
           p_addr = nil
           p_port = nil
         end
diff --git a/test/net/http/test_http.rb b/test/net/http/test_http.rb
index e9471273..0057dd3b 100644
--- a/test/net/http/test_http.rb
+++ b/test/net/http/test_http.rb
@@ -126,10 +126,10 @@ def test_proxy_address
 
   def test_proxy_address_no_proxy
     TestNetHTTPUtils.clean_http_proxy_env do
-      http = Net::HTTP.new 'hostname.example', nil, 'proxy.example', nil, nil, nil, 'example'
+      http = Net::HTTP.new 'hostname.example', nil, 'proxy.com', nil, nil, nil, 'example'
       assert_nil http.proxy_address
 
-      http = Net::HTTP.new '10.224.1.1', nil, 'proxy.example', nil, nil, nil, 'example,10.224.0.0/22'
+      http = Net::HTTP.new '10.224.1.1', nil, 'proxy.com', nil, nil, nil, 'example,10.224.0.0/22'
       assert_nil http.proxy_address
     end
   end