Index: trunk/src_plugins/rbs_routing/install.c
===================================================================
--- trunk/src_plugins/rbs_routing/install.c	(revision 38860)
+++ trunk/src_plugins/rbs_routing/install.c	(revision 38861)
@@ -49,10 +49,13 @@
 		pl = pcb_line_new(ly, l1x, l1y, l2x, l2y,
 			RBSR_G2R(tn->copper*2), RBSR_G2R(tn->clearance*2),
 			pcb_flag_make(PCB_FLAG_CLEARLINE));
+
 		if (pl == NULL) {
 			rnd_message(RND_MSG_ERROR, "rbsr_install: failed to create line\n");
 			return -1;
 		}
+
+		pcb_undo_add_obj_to_create(PCB_OBJ_LINE, ly, pl, pl);
 	}
 	else {
 		pl = obj->orig;
@@ -100,6 +103,8 @@
 			rnd_message(RND_MSG_ERROR, "rbsr_install: failed to create arc\n");
 			return -1;
 		}
+
+		pcb_undo_add_obj_to_create(PCB_OBJ_ARC, ly, pa, pa);
 	}
 	else {
 		double sa2 = sa+da, da2 = -da, *new_sa = NULL, *new_da = NULL;