diff --git a/gtk2_ardour/processor_box.cc b/gtk2_ardour/processor_box.cc
index ce33f61..eda5658 100644
--- a/gtk2_ardour/processor_box.cc
+++ b/gtk2_ardour/processor_box.cc
@@ -162,6 +162,8 @@ ProcessorEntry::set_visual_state (Gtk::StateType t)
 		break;
 
 	case Gtk::STATE_NORMAL:
+		_button.unset_visual_state ();
+		break;
 	default:
 		_button.unset_visual_state ();
 		_button.unset_active_state ();