diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index 5ef5670696..da62ce2062 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -548,7 +548,6 @@ private:
 	ArdourWidgets::ArdourButton error_alert_button;
 
 	ArdourWidgets::ArdourButton action_script_call_btn[MAX_LUA_ACTION_BUTTONS];
-	Gtk::Table action_script_table;
 
 	Gtk::VBox alert_box;
 	Gtk::Table editor_meter_table;
diff --git a/gtk2_ardour/ardour_ui2.cc b/gtk2_ardour/ardour_ui2.cc
index d2e18d15a2..f8d1435dd1 100644
--- a/gtk2_ardour/ardour_ui2.cc
+++ b/gtk2_ardour/ardour_ui2.cc
@@ -480,6 +480,10 @@ ARDOUR_UI::setup_transport ()
 	button_height_size_group->add_widget (monitor_disk_button);
 	button_height_size_group->add_widget (auto_input_button);
 
+	for (int i = 0; i < MAX_LUA_ACTION_BUTTONS; ++i) {
+		button_height_size_group->add_widget (action_script_call_btn[i]);
+	}
+
 	Glib::RefPtr<SizeGroup> clock1_size_group = SizeGroup::create (SIZE_GROUP_HORIZONTAL);
 	clock1_size_group->add_widget (*primary_clock->left_btn());
 	clock1_size_group->add_widget (*primary_clock->right_btn());
@@ -583,8 +587,12 @@ ARDOUR_UI::setup_transport ()
 	++col;
 
 	/* lua script action buttons */
-	transport_table.attach (action_script_table, TCOL, 0, 2, SHRINK, EXPAND|FILL, 1, 0);
-	++col;
+	for (int i = 0; i < MAX_LUA_ACTION_BUTTONS; ++i) {
+		const int r = i % 2;
+		const int c = col + i / 2;
+		transport_table.attach (action_script_call_btn[i], c, c + 1, r, r + 1, FILL, SHRINK, 1, vpadding);
+	}
+	col += MAX_LUA_ACTION_BUTTONS / 2;
 
 	transport_table.attach (editor_visibility_button, TCOL, 0, 1 , FILL, SHRINK, hpadding, vpadding);
 	transport_table.attach (mixer_visibility_button,  TCOL, 1, 2 , FILL, SHRINK, hpadding, vpadding);
diff --git a/gtk2_ardour/ardour_ui_dependents.cc b/gtk2_ardour/ardour_ui_dependents.cc
index 7ff9281a70..2edef6bce3 100644
--- a/gtk2_ardour/ardour_ui_dependents.cc
+++ b/gtk2_ardour/ardour_ui_dependents.cc
@@ -303,7 +303,7 @@ ARDOUR_UI::setup_windows ()
 		std::string const a = string_compose (X_("script-action-%1"), i + 1);
 		Glib::RefPtr<Action> act = ActionManager::get_action(X_("LuaAction"), a.c_str());
 		assert (act);
-		action_script_call_btn[i].set_text (string_compose ("%1", i+1));
+		action_script_call_btn[i].set_text (string_compose ("%1%2", std::hex, i+1));
 		action_script_call_btn[i].set_related_action (act);
 		action_script_call_btn[i].signal_button_press_event().connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::bind_lua_action_script), i), false);
 		if (act->get_sensitive ()) {
@@ -311,12 +311,9 @@ ARDOUR_UI::setup_windows ()
 		} else {
 			action_script_call_btn[i].set_visual_state (Gtkmm2ext::VisualState (action_script_call_btn[i].visual_state() | Gtkmm2ext::Insensitive));
 		}
-		const int row = i % 2;
-		const int col = i / 2;
-		action_script_table.attach (action_script_call_btn[i], col, col + 1, row, row + 1, EXPAND, EXPAND, 1, 0);
+		action_script_call_btn[i].set_sizing_text ("|||");
 		action_script_call_btn[i].set_no_show_all ();
 	}
-	action_script_table.show ();
 
 	setup_transport();
 	build_menu_bar ();