diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index 61aee2fb79..bb6c83e170 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -2182,6 +2182,16 @@ ARDOUR_UI::start_clocking ()
 	}
 }
 
+unsigned int
+ARDOUR_UI::clock_signal_interval ()
+{
+	if (UIConfiguration::instance().get_super_rapid_clock_update()) {
+		return Timers::fps_interval ();
+	} else {
+		return Timers::rapid_interval ();
+	}
+}
+
 void
 ARDOUR_UI::stop_clocking ()
 {
diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index 29865d91bf..051cfa2acc 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -298,6 +298,7 @@ public:
 	 *  (either RapidScreenUpdate || SuperRapidScreenUpdate - user-config)
 	 */
 	static sigc::signal<void, Temporal::timepos_t> Clock;
+	static unsigned int clock_signal_interval ();
 
 	static void close_all_dialogs () { CloseAllDialogs(); }
 	static sigc::signal<void> CloseAllDialogs;