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 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to bamf in Ubuntu. https://bugs.launchpad.net/bugs/1503418 Title: [REGRESSION] launching byobu from unity uses the terminal icon rather than the application icon Status in BAMF: Triaged Status in bamf package in Ubuntu: Triaged Status in byobu package in Ubuntu: Invalid Bug description: I just upgraded to Wily yesterday, and it seems this regression has crept up again (it happened around the Utopic timeframe too). Install Byobu. sudo apt-get install byobu Open from the Unity Launcher. Press Windows icon. Type 'byobu'. Click on the Ubuntu terminal icon. Byobu open in the default terminal (as specified in the byobu.desktop file), but the icon on the left in the unity bar is the Terminal icon, not the Byobu one. To manage notifications about this bug go to: https://bugs.launchpad.net/bamf/+bug/1503418/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp