diff --git a/libs/ardour/ardour/debug.h b/libs/ardour/ardour/debug.h
index b6b1fdadd9..49351e0076 100644
--- a/libs/ardour/ardour/debug.h
+++ b/libs/ardour/ardour/debug.h
@@ -75,6 +75,7 @@ namespace PBD {
 		LIBARDOUR_API extern DebugBits MidiRingBuffer;
 		LIBARDOUR_API extern DebugBits MidiSourceIO;
 		LIBARDOUR_API extern DebugBits MidiTrackers;
+		LIBARDOUR_API extern DebugBits MidiTriggers;
 		LIBARDOUR_API extern DebugBits Monitor;
 		LIBARDOUR_API extern DebugBits OrderKeys;
 		LIBARDOUR_API extern DebugBits Panning;
diff --git a/libs/ardour/debug.cc b/libs/ardour/debug.cc
index d2918a29fb..031c097eba 100644
--- a/libs/ardour/debug.cc
+++ b/libs/ardour/debug.cc
@@ -70,6 +70,7 @@ PBD::DebugBits PBD::DEBUG::MidiPlaylistIO = PBD::new_debug_bit ("midiplaylistio"
 PBD::DebugBits PBD::DEBUG::MidiRingBuffer = PBD::new_debug_bit ("midiringbuffer");
 PBD::DebugBits PBD::DEBUG::MidiSourceIO = PBD::new_debug_bit ("midisourceio");
 PBD::DebugBits PBD::DEBUG::MidiTrackers = PBD::new_debug_bit ("miditrackers");
+PBD::DebugBits PBD::DEBUG::MidiTriggers = PBD::new_debug_bit ("miditriggers");
 PBD::DebugBits PBD::DEBUG::Monitor = PBD::new_debug_bit ("monitor");
 PBD::DebugBits PBD::DEBUG::OrderKeys = PBD::new_debug_bit ("orderkeys");
 PBD::DebugBits PBD::DEBUG::Panning = PBD::new_debug_bit ("panning");