Index: trunk/src/plugins/rt_topo/laa1.c
===================================================================
--- trunk/src/plugins/rt_topo/laa1.c	(revision 1449)
+++ trunk/src/plugins/rt_topo/laa1.c	(revision 1450)
@@ -113,6 +113,7 @@
 static void laa_2net(rtrnd_t *ctx, rtrnd_net_t *net, rtrnd_layer_t *ly, rtrnd_rtree_t *r2net)
 {
 	ustn_tree_t mst = {0};
+	double wth;
 	long n;
 	rt_topo_2nets_t *tns = calloc(sizeof(rt_topo_2nets_t), 1);
 
@@ -123,6 +124,10 @@
 	for(obj = gdl_first(&net->objs); obj != NULL; obj = gdl_next(&net->objs, obj))
 		laa_mst_add(ctx, &mst, obj);
 
+	/* make sure steiner points are not too close: leave room for 8 wires */
+	wth = rt_topo_cfg.wire_thick*8 + rt_topo_cfg.wire_clr*4;
+	mst.pt_too_close2 = wth*wth;
+
 	/* calculate the minimal steiner tree */
 	ustn_solve_iterate_pre(&mst);
 	while(mst.itc < 9000)