diff --git a/src/avtk/avtk_dial.h b/src/avtk/avtk_dial.h
index 067d29b..ab4240f 100644
--- a/src/avtk/avtk_dial.h
+++ b/src/avtk/avtk_dial.h
@@ -110,7 +110,10 @@ public:
 			}
 			cairo_line_to(cr, x+w/2,y+h/2);
 			cairo_set_line_width(cr, lineWidth);
-			cairo_set_source_rgba(cr, 1.0, 0.48,   0, 0.8);
+			if(active())
+				cairo_set_source_rgba(cr, 1.0, 0.48,   0, 0.8);
+			else
+				cairo_set_source_rgba(cr, 1.0, 0.48, 0, 0.4);
 			cairo_stroke(cr);
 
 			cairo_restore( cr );
diff --git a/src/eventhandlergui.cxx b/src/eventhandlergui.cxx
index bd909cb..8670ced 100644
--- a/src/eventhandlergui.cxx
+++ b/src/eventhandlergui.cxx
@@ -148,6 +148,7 @@ void handleGuiEvents()
 					gm->metronomeEnable(!e.enable);
 					gm->tapEnable(!e.enable);
 					gm->beatLightEnable(!e.enable);
+					gm->tempoDialEnable(!e.enable);
 				}
 				break;
 			}
diff --git a/src/gmastertrack.cxx b/src/gmastertrack.cxx
index ff8b941..734d822 100644
--- a/src/gmastertrack.cxx
+++ b/src/gmastertrack.cxx
@@ -396,6 +396,13 @@ void GMasterTrack::beatLightEnable(bool b) {
 	}
 }
 
+void GMasterTrack::tempoDialEnable(bool b) {
+	if(b)
+		tempoDial.activate();
+	else
+		tempoDial.deactivate();
+}
+
 void
 GMasterTrack::setClipLength(int l)
 {
diff --git a/src/gmastertrack.hxx b/src/gmastertrack.hxx
index 5db2b76..c26a415 100644
--- a/src/gmastertrack.hxx
+++ b/src/gmastertrack.hxx
@@ -65,6 +65,7 @@ public:
 	void setFreeRecMode(bool e);
 	void tapEnable(bool b);
 	void beatLightEnable(bool b);
+	void tempoDialEnable(bool b);
 
 	Avtk::Volume *getInputVolume();
 	Avtk::Volume* getVolume();