diff --git a/pygmt/tests/test_x2sys_cross.py b/pygmt/tests/test_x2sys_cross.py
index 16f69777ace..f890f2d342d 100644
--- a/pygmt/tests/test_x2sys_cross.py
+++ b/pygmt/tests/test_x2sys_cross.py
@@ -19,6 +19,10 @@
 from pygmt.exceptions import GMTInvalidInput
 
 
+def test_platform_machine():
+    assert platform.machine() == ""
+
+
 @pytest.fixture(name="mock_x2sys_home")
 def _fixture_mock_x2sys_home(monkeypatch):
     """