diff --git a/docs/changelog/2878.bugfix.rst b/docs/changelog/2878.bugfix.rst
new file mode 100644
index 000000000..d7b6b1b5d
--- /dev/null
+++ b/docs/changelog/2878.bugfix.rst
@@ -0,0 +1 @@
+Fix ``HelpFormatter`` error with Python 3.14.0b1.
diff --git a/src/virtualenv/config/cli/parser.py b/src/virtualenv/config/cli/parser.py
index 9323d4e81..fd1dc0956 100644
--- a/src/virtualenv/config/cli/parser.py
+++ b/src/virtualenv/config/cli/parser.py
@@ -107,8 +107,8 @@ def parse_known_args(self, args=None, namespace=None):
 
 
 class HelpFormatter(ArgumentDefaultsHelpFormatter):
-    def __init__(self, prog) -> None:
-        super().__init__(prog, max_help_position=32, width=240)
+    def __init__(self, prog, **kwargs) -> None:
+        super().__init__(prog, max_help_position=32, width=240, **kwargs)
 
     def _get_help_string(self, action):
         text = super()._get_help_string(action)