diff --git a/tests/test_toolbox.py b/tests/test_toolbox.py
index a24dc29..169ea54 100644
--- a/tests/test_toolbox.py
+++ b/tests/test_toolbox.py
@@ -7,6 +7,17 @@
 from cfmtoolbox.toolbox import CFMToolbox
 
 
+def test_entrypoint_runs_cli(capsys):
+    with pytest.raises(SystemExit):
+        from cfmtoolbox.__main__ import app
+
+        assert app
+
+    stdout, stderr = capsys.readouterr()
+    assert stdout == ""
+    assert "Missing command." in stderr
+
+
 def test_import_model_without_import_path():
     app = CFMToolbox()
     assert app.import_path is None