diff --git a/test/net/http/test_https.rb b/test/net/http/test_https.rb
index 0a448dd95d..b59570ffc2 100644
--- a/test/net/http/test_https.rb
+++ b/test/net/http/test_https.rb
@@ -79,6 +79,7 @@ class TestNetHTTPS < Test::Unit::TestCase
     socket = http.instance_variable_get(:@socket).io
 
     assert socket.session_reused?
+    http.finish
   rescue SystemCallError
     skip $!
   end