diff --git a/src/gmastertrack.cxx b/src/gmastertrack.cxx
index b06cbef..d460e8b 100644
--- a/src/gmastertrack.cxx
+++ b/src/gmastertrack.cxx
@@ -331,6 +331,7 @@ void GMasterTrack::setBpm( float b )
 	std::stringstream s;
 	s << round(bpm*10)/10;
 	tempoDial.copy_label( s.str().c_str() );
+	tempoDial.redraw();
 }
 
 void GMasterTrack::setInputVol(float f)