diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index 3f4438de1e..f904d3de22 100644
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -907,11 +907,11 @@ EngineControl::update_sensitivity ()
 		start_stop_button.set_sensitive(true);
 		start_stop_button.show();
 		if (engine_running) {
-			start_stop_button.set_text("Stop");
+			start_stop_button.set_text(_("Engine|Stop"));
 			update_devices_button.set_sensitive(false);
 			use_buffered_io_button.set_sensitive(false);
 		} else {
-			start_stop_button.set_text("Start");
+			start_stop_button.set_text(_("Engine|Start"));
 			update_devices_button.set_sensitive (backend->can_request_update_devices ());
 			use_buffered_io_button.set_sensitive (backend->can_use_buffered_io ());
 		}
diff --git a/gtk2_ardour/lua_script_manager.cc b/gtk2_ardour/lua_script_manager.cc
index 3e0a6d23d1..f28583e575 100644
--- a/gtk2_ardour/lua_script_manager.cc
+++ b/gtk2_ardour/lua_script_manager.cc
@@ -95,7 +95,7 @@ LuaScriptManager::LuaScriptManager ()
 	vbox->pack_end (*f, false, false);
 	vbox->show_all ();
 
-	pages.pages ().push_back (Notebook_Helpers::TabElem (*vbox, "Action Scripts"));
+	pages.pages ().push_back (Notebook_Helpers::TabElem (*vbox, _("Action Scripts")));
 
 	/* action hooks page */
 
@@ -136,7 +136,7 @@ LuaScriptManager::LuaScriptManager ()
 	vbox->pack_end (*f, false, false);
 	vbox->show_all ();
 
-	pages.pages ().push_back (Notebook_Helpers::TabElem (*vbox, "Action Hooks"));
+	pages.pages ().push_back (Notebook_Helpers::TabElem (*vbox, _("Action Hooks")));
 
 	/* session script page */
 
@@ -172,7 +172,7 @@ LuaScriptManager::LuaScriptManager ()
 	vbox->pack_end (*f, false, false);
 	vbox->show_all ();
 
-	pages.pages ().push_back (Notebook_Helpers::TabElem (*vbox, "Session Scripts"));
+	pages.pages ().push_back (Notebook_Helpers::TabElem (*vbox, _("Session Scripts")));
 
 	/* global layout */