diff --git a/test/test_puma_server_ssl.rb b/test/test_puma_server_ssl.rb
index 60a1c9e573..d057b6577f 100644
--- a/test/test_puma_server_ssl.rb
+++ b/test/test_puma_server_ssl.rb
@@ -208,7 +208,7 @@ class TestPumaServerSSLClient < Minitest::Test
   CERT_PATH = File.expand_path "../examples/puma/client-certs", __dir__
 
   def assert_ssl_client_error_match(error, subject=nil, &blk)
-    host = "localhost"
+    host = "127.0.0.1"
     port = UniquePort.call
 
     app = lambda { |env| [200, {}, [env['rack.url_scheme']]] }
@@ -227,7 +227,6 @@ def assert_ssl_client_error_match(error, subject=nil, &blk)
     events = SSLEventsHelper.new STDOUT, STDERR
     server = Puma::Server.new app, events
     server.add_ssl_listener host, port, ctx
-    host_addr = server.binder.ios.first.to_io.addr[2]
     server.run
 
     http = Net::HTTP.new host, port
@@ -254,7 +253,7 @@ def assert_ssl_client_error_match(error, subject=nil, &blk)
     # so we can't inspect the messages here
     unless Puma.jruby?
       assert_match error, events.error.message if error
-      assert_equal host_addr, events.addr if error
+      assert_equal host, events.addr if error
       assert_equal subject, events.cert.subject.to_s if subject
     end
   ensure