diff --git a/test/test_readme.py b/test/test_readme.py
index d551326..083d127 100644
--- a/test/test_readme.py
+++ b/test/test_readme.py
@@ -597,3 +597,15 @@ def test_readme_list_uniq_tree_flatten():
     parser = TiramisuCmdlineParser(config, 'prog.py', fullpath=False)
     parser.parse_args(['list', '--list', 'a'])
     assert config.value.dict() == output
+
+
+def test_readme_longargument():
+    output = {'cmd': 'list',
+              'list': ['a'],
+              'verbosity': True,
+              'v': True}
+    config = get_config()
+    config.option('verbosity').property.add('longargument')
+    parser = TiramisuCmdlineParser(config, 'prog.py')
+    parser.parse_args(['list', '--list', 'a', '--v'])
+    assert config.value.dict() == output