If there's one thing you can say about Deadmau5, it's that he's not afraid to speak his mind.

In the past, that's landed the Canadian DJ in various beefs, but by the looks of it he's not about to change his ways now.

Joel Zimmerman's latest Twitter rant has seen him berate Calvin Harris for the number of guests that he has on his forthcoming album 'Funk Wav Bounces Vol. 1'.

At time of writing, Harris has not replied - but you can read Deadmau5's tweets below: