Index: sketch_route.c
===================================================================
--- sketch_route.c	(revision 18479)
+++ sketch_route.c	(revision 18480)
@@ -621,6 +621,7 @@
 
 	pcb_snprintf(name, sizeof(name), "%s: ERBS", layer->name);
 	sk->ui_layer_erbs = pcb_uilayer_alloc(pcb_sketch_route_cookie, name, layer->meta.real.color);
+	sketch_update_erbs_layer(sk);
 	pcb_event(PCB_EVENT_LAYERS_CHANGED, NULL);
 }