diff --git a/Lib/test/test_termios.py b/Lib/test/test_termios.py
index 84062e464d6caf..ede23ec38860e1 100644
--- a/Lib/test/test_termios.py
+++ b/Lib/test/test_termios.py
@@ -117,7 +117,7 @@ def test_tcsetattr_errors(self):
     @support.skip_android_selinux('tcsendbreak')
     def test_tcsendbreak(self):
         with skip_enotty_error(self, 'tcsendbreak',
-                               ('freebsd', 'netbsd', 'openbsd', 'cygwin')):
+                               ('freebsd', 'netbsd', 'openbsd', 'dragonfly', 'cygwin')):
             termios.tcsendbreak(self.fd, 1)
             termios.tcsendbreak(self.stream, 1)