diff --git a/Lib/test/test_termios.py b/Lib/test/test_termios.py
index cbc922bb3e31ca..aa562b25cbcd3e 100644
--- a/Lib/test/test_termios.py
+++ b/Lib/test/test_termios.py
@@ -97,7 +97,7 @@ def test_tcsendbreak(self):
         try:
             termios.tcsendbreak(self.fd, 1)
         except termios.error as exc:
-            if exc.args[0] == errno.ENOTTY and sys.platform.startswith(('freebsd', 'netbsd', 'openbsd')):
+            if exc.args[0] == errno.ENOTTY and sys.platform.startswith(('freebsd', 'netbsd', 'openbsd', 'dragonfly')):
                 self.skipTest('termios.tcsendbreak() is not supported '
                               'with pseudo-terminals (?) on this platform')
             raise