Full Idea
Nietzsche opposes active to passive nihilism - it is better to actively will nothing itself than not to will anything.
Gist of Idea
Nietzsche urges that nihilism be active, and will nothing itself
Source
report of Friedrich Nietzsche (Works (refs to 8 vol Colli and Montinari) [1885]) by Slavoj Zizek - Conversations, with Glyn Daly §3
Book Reference
Zizek,Slavoj: 'Conversations with Zizek (with G.Daly)' [Polity 2004], p.104
A Reaction
To 'actively will nothing' sounds to me indistinguishable from suicide, which I don't believe was ever on Nietzsche's agenda. It is hard, though, to disentangle Nietzsche's attitude to nihilism.