Panic when I press TAB for autocomplete the path

[pepsi1k]

[ .password-modules ]$ gopass mounts add --store main --path $HOME/.pasword-modules/{pressing-tab}
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x653b46]

goroutine 1 [running]:
flag.(*FlagSet).Args(...)
	flag/flag.go:741
github.com/urfave/cli/v2.(*Context).Args(...)
	github.com/urfave/cli/[email protected]/context.go:167
github.com/urfave/cli/v2.checkCompletions(0xc0005cec60?)
	github.com/urfave/cli/[email protected]/help.go:467 +0x26
github.com/urfave/cli/v2.(*Command).Run(0xc0005cec60, 0xc0005ed100, {0xc0005ed140, 0x4, 0x4})
	github.com/urfave/cli/[email protected]/command.go:160 +0x145
github.com/urfave/cli/v2.(*Command).Run(0xc0005ceb00, 0xc0005ecf80, {0xc0005ca0a0, 0x5, 0x5})
	github.com/urfave/cli/[email protected]/command.go:269 +0xa65
github.com/urfave/cli/v2.(*Command).Run(0xc0005d1a20, 0xc000139d40, {0xc00013c000, 0x6, 0x7})
	github.com/urfave/cli/[email protected]/command.go:269 +0xa65
github.com/urfave/cli/v2.(*App).RunContext(0xc0000c4000, {0xfea768, 0xc000584450}, {0xc00013c000, 0x7, 0x7})
	github.com/urfave/cli/[email protected]/app.go:333 +0x5a5
main.main()
	github.com/gopasspw/gopass/main.go:90 +0x4a5

[dominikschulz]

That should never happen. Let me try to reproduce.