diff --git a/test/unit/cli/test_ringbuilder.py b/test/unit/cli/test_ringbuilder.py
index 955e421ab8..1f2b9494a5 100644
--- a/test/unit/cli/test_ringbuilder.py
+++ b/test/unit/cli/test_ringbuilder.py
@@ -1925,14 +1925,18 @@ class TestCommands(unittest.TestCase, RunSwiftRingBuilderMixin):
         mock_stdout = six.StringIO()
         mock_stderr = six.StringIO()
 
-        argv = ["", "object.ring.gz"]
+        argv = ["", self.tmpfile, "rebalance", "3"],
+        self.assertSystemExit(EXIT_SUCCESS, ringbuilder.main, argv)
+
+        argv = ["", "%s.ring.gz" % self.tmpfile]
 
         with mock.patch("sys.stdout", mock_stdout):
             with mock.patch("sys.stderr", mock_stderr):
                 self.assertSystemExit(EXIT_ERROR, ringbuilder.main, argv)
-        expected = "Note: using object.builder instead of object.ring.gz " \
+        expected = "Note: using %s.builder instead of %s.ring.gz " \
             "as builder file\n" \
-            "Ring Builder file does not exist: object.builder\n"
+            "Ring Builder file does not exist: %s.builder\n" % (
+                self.tmpfile, self.tmpfile, self.tmpfile)
         self.assertEqual(expected, mock_stdout.getvalue())
 
     def test_main_no_arguments(self):