Index: show_netnames.c
===================================================================
--- show_netnames.c	(revision 33912)
+++ show_netnames.c	(revision 33913)
@@ -103,10 +103,16 @@
 	pcb_qry_uninit(&shn_qctx);
 }
 
+static show_netnames_inv_cache(rnd_hidlib_t *hidlib, void *user_data, int argc, rnd_event_arg_t argv[])
+{
+	shn_cache_uptodate = 0;
+}
+
 static void show_netnames_brd_chg(rnd_hidlib_t *hidlib, void *user_data, int argc, rnd_event_arg_t argv[])
 {
 	if (conf_show_netnames.plugins.show_netnames.enable)
 		show_netnames_invalidate();
+	shn_cache_uptodate = 0;
 }
 
 static void *shn_render_cb(void *ctx, pcb_any_obj_t *obj)
@@ -238,6 +244,7 @@
 	rnd_event_bind(PCB_EVENT_BOARD_EDITED, show_netnames_brd_chg, NULL, pcb_show_netnames_cookie);
 	rnd_event_bind(RND_EVENT_BOARD_CHANGED, show_netnames_brd_chg, NULL, pcb_show_netnames_cookie);
 	rnd_event_bind(RND_EVENT_GUI_DRAW_OVERLAY_XOR, show_netnames_render, NULL, pcb_show_netnames_cookie);
+	rnd_event_bind(PCB_EVENT_NETLIST_CHANGED, show_netnames_inv_cache, NULL, pcb_show_netnames_cookie);
 
 	rnd_hid_menu_load(rnd_gui, NULL, pcb_show_netnames_cookie, 150, NULL, 0, show_netnames_menu, "plugin: show_netnames");
 	return 0;