--- a/xfsettingsd/displays.c
+++ b/xfsettingsd/displays.c
@@ -493,6 +493,7 @@
                 {
                     xfsettings_dbg (XFSD_DEBUG_DISPLAYS, "New output connected: %s",
                                     output->info->name);
+                    xfce_spawn_command_line_on_screen (NULL, "xrandr --auto", FALSE, FALSE, NULL);
                     changed = TRUE;
                 }
             }