diff --git a/gtk2_ardour/ardour_dropdown.cc b/gtk2_ardour/ardour_dropdown.cc
index c991087f25..dd1b77c6db 100644
--- a/gtk2_ardour/ardour_dropdown.cc
+++ b/gtk2_ardour/ardour_dropdown.cc
@@ -52,6 +52,8 @@ ArdourDropdown::ArdourDropdown (Element e)
 //	signal_button_press_event().connect (sigc::mem_fun(*this, &ArdourDropdown::on_mouse_pressed));
 	_menu.signal_size_request().connect (sigc::mem_fun(*this, &ArdourDropdown::menu_size_request));
 
+	_menu.set_reserve_toggle_size(false);
+
 	add_elements(e);
 	add_elements(ArdourButton::Menu);
 }