diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index c39e808bd6..b272c8e27f 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -418,6 +418,8 @@ public:
 
 	void livetrax_toggle_visibility (LiveTraxVisibility);
 
+	ArdourWidgets::ArdourButton& rude_solo_button() { return solo_alert_button; }
+
 	void arm_all ();
 	void arm_all_toggle ();
 	void arm_none ();