Comment 2 for bug 1751270

I have the same issue and suspect everyone does... unless there is some magical config setting we don't know about.

Anyway, I've found this same bug to be there on Fedora and Ubuntu alike.

To reproduce just open two terminator windows and enable "Broadcast to all".

A workaround is using groups and "Broadcast to group"... Not really the desired solution but it is doable.

PC1: Debian (Testing release) 9
     Desktop: MATE 1.20

PC2: Fedora 27
     Desktop: MATE 1.16

The terminator version is on both the latest available thru the repositories: 1.91