diff --git a/gtk2_ardour/rc_option_editor.cc b/gtk2_ardour/rc_option_editor.cc
index e360b4a137..424e13a5f5 100644
--- a/gtk2_ardour/rc_option_editor.cc
+++ b/gtk2_ardour/rc_option_editor.cc
@@ -4950,6 +4950,19 @@ These settings will only take effect after %1 is restarted.\n\
 		procs->set_note (string_compose (_("This setting will only take effect when %1 is restarted."), PROGRAM_NAME));
 
 		add_option (_("Performance"), procs);
+
+#ifndef PLATFORM_WINDOWS
+		ComboOption<int32_t>* iotp = new ComboOption<int32_t> (
+		     "io-thread-policy",
+		     _("Disk I/O thread scheduling policy"),
+		     sigc::mem_fun (*_rc_config, &RCConfiguration::get_io_thread_policy),
+		     sigc::mem_fun (*_rc_config, &RCConfiguration::set_io_thread_policy)
+		     );
+		iotp->add (0, _("No priority"));
+		iotp->add (1, _("Realtime (FIFO)"));
+		iotp->add (1, _("Realtime (Round Robin)"));
+		add_option (_("Performance"), iotp);
+#endif
 	}
 
 	/* Image cache size */