diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index 14865bac0646e62..a0943a6e58e95ad 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -1294,7 +1294,8 @@ def testGetServBy(self):
         # protocol, at least for modern Linuxes.
         if (
             sys.platform.startswith(
-                ('linux', 'android', 'freebsd', 'netbsd', 'gnukfreebsd'))
+                ('linux', 'android', 'freebsd', 'dragonfly', 'netbsd',
+                 'gnukfreebsd'))
             or is_apple
         ):
             # avoid the 'echo' service on this platform, as there is an