# `derivepassphrase` bug one-time-key-override-fails
???+ bug-success "Bug details: `derivepassphrase -k` fails when overriding the chosen key on the command-line"
````console-session
$ mkdir -p ~/.derivepassphrase
$ derivepassphrase -k --config
Suitable SSH keys:
[1] ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBjuC9...
[2] ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIG/RzZ...
Your selection? (1-2, leave empty to abort): 1
$ derivepassphrase -k -l 35 abc
Suitable SSH keys:
[1] ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBjuC9...
[2] ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIG/RzZ...
Your selection? (1-2, leave empty to abort): 2
Traceback (most recent call last):
File ".../derivepassphrase", line 8, in
sys.exit(derivepassphrase())
^^^^^^^^^^^^^^^^^^
File ".../click/core.py", line 1157, in __call__
return self.main(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File ".../click/core.py", line 1078, in main
rv = self.invoke(ctx)
^^^^^^^^^^^^^^^^
File ".../click/core.py", line 1434, in invoke
return ctx.invoke(self.callback, **ctx.params)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File ".../click/core.py", line 783, in invoke
return __callback(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File ".../click/decorators.py", line 33, in new_func
return f(get_current_context(), *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File ".../derivepassphrase/cli.py", line 1077, in derivepassphrase
vault = dpp.Vault(**kwargs)
^^^^^^^^^^^^^^^^^^^
TypeError: Vault.__init__() got an unexpected keyword argument 'key'
````
It works for stored settings, though.
--------
Actually, this concrete error requires a selected key in the settings, and a `-k` argument on the command-line. It is not triggered by a naïve call of `derivepassphrase -k`.