* what do you mean by "come back to the first tab" - you just click on the first tab having created a second?
* which distro are you using?
* which version of Terminator are you using?
* which versions of gtk and pygtk are you running?
It might be a subtle incompatibility with particular versions of gtk/pygtk, but I'm not sure.
I'm unable to immediately reproduce this...
* what do you mean by "come back to the first tab" - you just click on the first tab having created a second?
* which distro are you using?
* which version of Terminator are you using?
* which versions of gtk and pygtk are you running?
It might be a subtle incompatibility with particular versions of gtk/pygtk, but I'm not sure.