diff --git a/gtk2_ardour/audio_clock.cc b/gtk2_ardour/audio_clock.cc
index aa32d77c19..9e745eeaf0 100644
--- a/gtk2_ardour/audio_clock.cc
+++ b/gtk2_ardour/audio_clock.cc
@@ -2242,6 +2242,10 @@ AudioClock::locate ()
 void
 AudioClock::set_mode (Mode m)
 {
+	if (Profile->get_livetrax() && m == BBT) {
+		m = Timecode;
+	}
+
 	if (_mode == m) {
 		return;
 	}