2 files changed, 7 insertions, 5 deletions

diff --git a/kronos/cli.py b/kronos/cli.py
index 72f0676..9e3e3bf 100644
--- a/kronos/cli.py
+++ b/kronos/cli.py
@@ -46,9 +46,5 @@ class CommandLineUI(object):
         controller(self.activity)
 
 
-def main():
-    CommandLineUI(sys.argv[:]).run()
-
-
 if __name__ == "__main__":
-    main()
+    CommandLineUI(sys.argv[:]).run()
diff --git a/kronos/tests/test_cli.py b/kronos/tests/test_cli.py
index 54aef81..a826a7e 100644
--- a/kronos/tests/test_cli.py
+++ b/kronos/tests/test_cli.py
@@ -34,3 +34,9 @@ class TestParsingErrors(object):
     def test_should_exit_if_not_enough_args(self):
         ui = CommandLineUI([])
         assert_raises(SystemExit, ui.run)
+
+    def test_should_exit_if_invalid_controller(self):
+        args = ['kronos', 'ducks', 'my action@home', '#stuff', '#good']
+        ui = CommandLineUI(args)
+
+        assert_raises(SystemExit, ui.run)