Same issue on Wily.
Adding StartupWMClass to .desktop file works around this issue:
$ cat /usr/share/applications/byobu.desktop [Desktop Entry] Name=Byobu Terminal Comment=Advanced Command Line and Text Window Manager Icon=byobu Exec=env TERM=xterm-256color byobu Type=Application Terminal=true Categories=GNOME;GTK;Utility; X-GNOME-Gettext-Domain=byobu StartupWMClass=gnome-terminal-server
Same issue on Wily.
Adding StartupWMClass to .desktop file works around this issue:
$ cat /usr/share/ applications/ byobu.desktop Advanced Command Line and Text Window Manager Application GNOME;GTK; Utility; Gettext- Domain= byobu ass=gnome- terminal- server
[Desktop Entry]
Name=Byobu Terminal
Comment=
Icon=byobu
Exec=env TERM=xterm-256color byobu
Type=
Terminal=true
Categories=
X-GNOME-
StartupWMCl