diff --git a/tests/test_readme.py b/tests/test_readme.py
index ac7baa6..8a005b3 100644
--- a/tests/test_readme.py
+++ b/tests/test_readme.py
@@ -873,17 +873,17 @@ def test_readme_longargument(json):
 
 
 def test_readme_unknown_key(json):
-    output1 = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
+    output1 = """usage: prog.py "list" -v --list "a" [-h] [-v] [-nv] --list LIST [LIST ...] {str,list,int,none}
 prog.py: error: unrecognized arguments: --unknown
 """
-    output2 = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
+    output2 = """usage: prog.py "list" -v --list "a" [-h] [-v] [-nv] --list LIST [LIST ...] {str,list,int,none}
 prog.py: error: unrecognized arguments: --root.unknown
 """
     parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', fullpath=False, formatter_class=TestHelpFormatter)
     f = StringIO()
     with redirect_stderr(f):
         try:
-            parser.parse_args(['--unknown'])
+            parser.parse_args(['list', '--list', 'a', '--v', '--unknown'])
         except SystemExit as err:
             assert str(err) == "2"
         else:
@@ -893,7 +893,7 @@ prog.py: error: unrecognized arguments: --root.unknown
     f = StringIO()
     with redirect_stderr(f):
         try:
-            parser.parse_args(['--root.unknown'])
+            parser.parse_args(['list', '--list', 'a', '--v', '--root.unknown'])
         except SystemExit as err:
             assert str(err) == "2"
         else: