diff --git a/settngs/__init__.py b/settngs/__init__.py
index 21edfc2..fc81ec0 100644
--- a/settngs/__init__.py
+++ b/settngs/__init__.py
@@ -141,10 +141,9 @@ class Setting:
             metavar = dest.upper()
 
         # If we are not a flag, no '--' or '-' in front
-        # we prefix the first name with the group as argparse sets dest to args[0]
-        # I believe internal name may be able to be used here
+        # we use internal_name as argparse sets dest to args[0]
         if not flag:
-            args = tuple((f'{group}_{names[0]}'.lstrip('_'), *names[1:]))
+            args = tuple((self.internal_name, *names[1:]))
 
         self.action = action
         self.nargs = nargs
@@ -232,6 +231,7 @@ class Setting:
         dest_name = None
         flag = False
 
+        prefix = sanitize_name(prefix)
         for n in names:
             if n.startswith('--'):
                 flag = True
@@ -877,7 +877,7 @@ def _main(args: list[str] | None = None) -> None:
     settings_path = pathlib.Path('./settings.json')
     manager = Manager(description='This is an example', epilog='goodbye!')
 
-    manager.add_group('example', example_group)
+    manager.add_group('Example Group', example_group)
     manager.add_persistent_group('persistent', persistent_group)
 
     file_config, success = manager.parse_file(settings_path)
@@ -886,14 +886,14 @@ def _main(args: list[str] | None = None) -> None:
     merged_config = manager.parse_cmdline(args=args, config=file_namespace)
     merged_namespace = manager.get_namespace(merged_config, file=True, cmdline=True)
 
-    print(f'Hello {merged_config.values["example"]["hello"]}')  # noqa: T201
-    if merged_namespace.values.example_save:
+    print(f'Hello {merged_config.values["Example Group"]["hello"]}')  # noqa: T201
+    if merged_namespace.values.Example_Group_save:
         if manager.save_file(merged_config, settings_path):
             print(f'Successfully saved settings to {settings_path}')  # noqa: T201
         else:
             print(f'Failed saving settings to a {settings_path}')  # noqa: T201
-    if merged_namespace.values.example_verbose:
-        print(f'{merged_namespace.values.example_verbose=}')  # noqa: T201
+    if merged_namespace.values.Example_Group_verbose:
+        print(f'{merged_namespace.values.Example_Group_verbose=}')  # noqa: T201
 
 
 if __name__ == '__main__':
diff --git a/testing/settngs.py b/testing/settngs.py
index 97de527..c929655 100644
--- a/testing/settngs.py
+++ b/testing/settngs.py
@@ -15,52 +15,52 @@ example: list[tuple[list[str], str, str]] = [
     (
         ['--hello', 'lordwelch', '-s'],
         'Hello lordwelch\nSuccessfully saved settings to settings.json\n',
-        '{\n  "example": {\n    "hello": "lordwelch",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
+        '{\n  "Example Group": {\n    "hello": "lordwelch",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
     ),
     (
         [],
         'Hello lordwelch\n',
-        '{\n  "example": {\n    "hello": "lordwelch",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
+        '{\n  "Example Group": {\n    "hello": "lordwelch",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
     ),
     (
         ['-v'],
-        'Hello lordwelch\nmerged_namespace.values.example_verbose=True\n',
-        '{\n  "example": {\n    "hello": "lordwelch",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
+        'Hello lordwelch\nmerged_namespace.values.Example_Group_verbose=True\n',
+        '{\n  "Example Group": {\n    "hello": "lordwelch",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
     ),
     (
         ['-v', '-s'],
-        'Hello lordwelch\nSuccessfully saved settings to settings.json\nmerged_namespace.values.example_verbose=True\n',
-        '{\n  "example": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
+        'Hello lordwelch\nSuccessfully saved settings to settings.json\nmerged_namespace.values.Example_Group_verbose=True\n',
+        '{\n  "Example Group": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
     ),
     (
         [],
-        'Hello lordwelch\nmerged_namespace.values.example_verbose=True\n',
-        '{\n  "example": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
+        'Hello lordwelch\nmerged_namespace.values.Example_Group_verbose=True\n',
+        '{\n  "Example Group": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false\n  }\n}\n',
     ),
     (
         ['manual settings.json'],
-        'Hello lordwelch\nmerged_namespace.values.example_verbose=True\n',
-        '{\n  "example": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n',
+        'Hello lordwelch\nmerged_namespace.values.Example_Group_verbose=True\n',
+        '{\n  "Example Group": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n',
     ),
     (
         ['--no-verbose', '-t'],
         'Hello lordwelch\n',
-        '{\n  "example": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n',
+        '{\n  "Example Group": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n',
     ),
     (
         ['--no-verbose', '-s', '-t'],
         'Hello lordwelch\nSuccessfully saved settings to settings.json\n',
-        '{\n  "example": {\n    "hello": "lordwelch",\n    "verbose": false\n  },\n  "persistent": {\n    "test": true,\n    "hello": "world"\n  }\n}\n',
+        '{\n  "Example Group": {\n    "hello": "lordwelch",\n    "verbose": false\n  },\n  "persistent": {\n    "test": true,\n    "hello": "world"\n  }\n}\n',
     ),
     (
         ['--hello', 'world', '--no-verbose', '--no-test', '-s'],
         'Hello world\nSuccessfully saved settings to settings.json\n',
-        '{\n  "example": {\n    "hello": "world",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n',
+        '{\n  "Example Group": {\n    "hello": "world",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n',
     ),
     (
         [],
         'Hello world\n',
-        '{\n  "example": {\n    "hello": "world",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n',
+        '{\n  "Example Group": {\n    "hello": "world",\n    "verbose": false\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n',
     ),
 ]
 success = [
diff --git a/tests/settngs_test.py b/tests/settngs_test.py
index 393abaf..9a70c4f 100644
--- a/tests/settngs_test.py
+++ b/tests/settngs_test.py
@@ -81,6 +81,11 @@ class TestValues:
         defaults, _ = settngs_manager.defaults()
         assert defaults['tst']['test'] == 'hello'
 
+    def test_get_defaults_group_space(self, settngs_manager):
+        settngs_manager.add_group('Testing tst', lambda parser: parser.add_setting('--test', default='hello'))
+        defaults, _ = settngs_manager.defaults()
+        assert defaults['Testing tst']['test'] == 'hello'
+
     def test_cmdline_only(self, settngs_manager):
         settngs_manager.add_group('tst', lambda parser: parser.add_setting('--test', default='hello', file=False))
         settngs_manager.add_group('tst2', lambda parser: parser.add_setting('--test2', default='hello', cmdline=False))
@@ -161,6 +166,11 @@ class TestNamespace:
         defaults, _ = settngs_manager.get_namespace(settngs_manager.defaults(), file=True, cmdline=True)
         assert defaults.tst_test == 'hello'
 
+    def test_get_defaults_group_space(self, settngs_manager):
+        settngs_manager.add_group('Testing tst', lambda parser: parser.add_setting('--test', default='hello'))
+        defaults, _ = settngs_manager.get_namespace(settngs_manager.defaults(), file=True, cmdline=True)
+        assert defaults.Testing_tst_test == 'hello'
+
     def test_cmdline_only(self, settngs_manager):
         settngs_manager.add_group('tst', lambda parser: parser.add_setting('--test', default='hello', file=False))
         settngs_manager.add_group('tst2', lambda parser: parser.add_setting('--test2', default='hello', cmdline=False))
@@ -564,7 +574,7 @@ def test_example(capsys, tmp_path, monkeypatch):
     for args, expected_out, expected_file in example:
         if args == ['manual settings.json']:
             settings_file.unlink()
-            settings_file.write_text('{\n  "example": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n')
+            settings_file.write_text('{\n  "Example Group": {\n    "hello": "lordwelch",\n    "verbose": true\n  },\n  "persistent": {\n    "test": false,\n    "hello": "world"\n  }\n}\n')
             i += 1
             continue
         else: