diff --git a/libs/ardour/ardour/debug.h b/libs/ardour/ardour/debug.h
index 61b84ad16a..c5e71d5c13 100644
--- a/libs/ardour/ardour/debug.h
+++ b/libs/ardour/ardour/debug.h
@@ -117,6 +117,7 @@ namespace PBD {
 		LIBARDOUR_API extern DebugBits WiimoteControl;
 		LIBARDOUR_API extern DebugBits Freesound;
 		LIBARDOUR_API extern DebugBits ClipRecording;
+		LIBARDOUR_API extern DebugBits TempoEstimation;
 
 	}
 }
diff --git a/libs/ardour/debug.cc b/libs/ardour/debug.cc
index 55171fef8f..b738c3f7b7 100644
--- a/libs/ardour/debug.cc
+++ b/libs/ardour/debug.cc
@@ -113,3 +113,4 @@ PBD::DebugBits PBD::DEBUG::VSTCallbacks = PBD::new_debug_bit ("vstcallbacks");
 PBD::DebugBits PBD::DEBUG::WiimoteControl = PBD::new_debug_bit ("wiimotecontrol");
 PBD::DebugBits PBD::DEBUG::Freesound = PBD::new_debug_bit ("freesound");
 PBD::DebugBits PBD::DEBUG::ClipRecording = PBD::new_debug_bit ("cliprecording");
+PBD::DebugBits PBD::DEBUG::TempoEstimation = PBD::new_debug_bit ("tempoestimation");