diff --git a/tests/tty_test.py b/tests/tty_test.py
index 819b7ab..0c9acc6 100644
--- a/tests/tty_test.py
+++ b/tests/tty_test.py
@@ -64,7 +64,7 @@ def test_child_gets_controlling_tty_if_we_had_one():
     """
     pid, sfd = pty.fork()
     if pid == 0:
-        os.execvpe('dumb-init', ('dumb-init', 'bash', '-m'), {})
+        os.execvp('dumb-init', ('dumb-init', 'bash', '-m'))
     else:
         ttyflags(sfd)